Ohio Atlas of Historical County Boundaries
John H. Long, Editor; Peggy Tuck Sinko, Associate Editor and Historical Compiler; Douglas Knox, Book Digitizing Director; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist and Digital Compiler; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant
Copyright The Newberry Library 2007
2 June 1609
King James I granted a new charter to the Virginia Company of London, expanding Virginia's jurisdiction westward and northwestward to the Pacific Ocean; included all of present Ohio. (Paullin, pl. 42; Swindler, 10:24-36; Van Zandt, 92)
10 February 1763
Treaty of Paris, ending the Seven Years' War between Great Britain (the victor) and France and Spain, formally transferred to the British all of Canada (territory north of the Ohio River-Great Lakes-St. Lawrence River line), including present Ohio, and implicitly set the Mississippi River as the new western limit for the British colonies. (Cappon, Petchenik, and Long, 1)
20 May 1774
The British Parliament passed the Quebec Act, placing all territory north and west of the Ohio River, including present Ohio, under the jurisdiction of the province of Quebec. (Cappon, Petchenik, and Long, 16, 87)
4 July 1776
The United States declared itself independent of Great Britain, implicitly opening the possibility that Virginia and some other states might claim territory north of the Ohio River and west of the Appalachian Mountains based on their colonial charters. (Declaration of Independence)
9 December 1778
ILLINOIS County (Va., extinct) created by Virginia to encompass all territory north and west of the Ohio River and east of the Mississippi River, claimed by Virginia on the basis of its 1609 charter; ILLINOIS County including all of present Ohio. (Hening, 9:552-555, 10:303-304; Robinson, 55)
3 September 1783
Commissioners from Great Britain and the United States signed the Treaty of Paris (ratifications exchanged 12 May 1784) ending the War of the American Revolution, recognizing American independence, and generally defining U.S. territory as extending to the Great Lakes-Lake of the Woods line on the north and the Mississippi River on the west, including present Ohio. (Parry, 48:481, 487, 491-492; Van Zandt, 12)
1 March 1784
Virginia ceded to the United States its charter claims to territory "northwestward of the river Ohio;" ILLINOIS County (Va.) eliminated. All of present Ohio became unorganized federal territory although certain states still claimed parts of the western lands based on their colonial charters. (Cappon, Petchenik, and Long, 62, 130-131; Hening, 11:571-575)
14 September 1786
Connecticut ceded to the United States its claim to lands north and west of Pennsylvania and the Ohio River, except for a tract lying between 41 degrees and 42 degrees, 2 minutes north latitude (Connecticut's southern and northern limits) and extending 120 miles west of Pennsylvania. This tract was known as the Connecticut Western Reserve. (Terr. Papers U.S., 2:24 n. 62)
13 July 1787
The United States created the Territory of the United States Northwest of the River Ohio (Northwest Territory) from unorganized federal territory, to govern all territory west of Pennsylvania, north of the Ohio River, and east of the Mississippi River, to which states had ceded their colonial charter claims. Connecticut retained the Western Reserve in present Ohio. (Terr. Papers U.S., 2:22-24, 39-50)
27 July 1788
WASHINGTON created by the Northwest Territory from non-county area and part of the Western Reserve. This implicit challenge to Connecticut's authority in the Western Reserve went unanswered. (Terr. Papers U.S., 3:278-279; Chase, 3:ch. 330/p. 2096; Cappon, Petchenik, and Long, 92)
4 January 1790
HAMILTON created by the Northwest Territory from non-county area. (Terr. Papers U.S., 3:294-295; Chase, 3:ch. 331/p. 2096)
20 June 1790
KNOX (Ind.) created by the Northwest Territory from non-county area; included all of present Indiana, and parts of present Ohio, Illinois, Michigan, and Wisconsin. (Terr. Papers U.S., 3:313)
11 February 1792
HAMILTON gained from WASHINGTON and from non-county area in the Northwest Territory; HAMILTON included the eastern part of present Michigan. (Terr. Papers U.S., 3:363-364)
15 August 1796
WAYNE (Northwest Territory, extinct) created by the Northwest Territory from HAMILTON, KNOX (Ind.), and non-county area; included parts of present Ohio, Illinois, Indiana, Michigan, and Wisconsin. (Terr. Papers U.S., 2:567-568, 3:447; Chase, 3:ch. 332/p. 2096)
10 July 1797
ADAMS created by the Northwest Territory from HAMILTON and WASHINGTON. (Terr. Papers U.S., 2:612-613; Chase, 3:ch. 333/p. 2096)
29 July 1797
JEFFERSON created by the Northwest Territory from WASHINGTON and part of the Western Reserve. This implicit challenge to Connecticut's authority in the Western Reserve went unanswered. (Terr. Papers U.S., 2:617-618; Chase, 3:ch. 334/p. 2096)
22 June 1798
HAMILTON gained from KNOX (Ind.) in present Indiana and Ohio. (Terr. Papers U.S., 3:509; Chase, 3:ch. 335/p. 2097)
20 August 1798
ROSS created by the Northwest Territory from ADAMS, HAMILTON, and WASHINGTON. (Terr. Papers U.S., 3:510; Chase, 3:ch. 336/p. 2097)
1 September 1798
ADAMS gained from HAMILTON. (Terr. Papers U.S., 3:510-511; Chase, 3:ch. 337/p. 2097)
19 December 1799
JEFFERSON gained from WASHINGTON. (Chase, 3:ch. 342/p. 2098)
28 April 1800
Connecticut ceded the Western Reserve to the United States and the area was incorporated into the Northwest Territory. (Terr. Papers U.S., 3:84-86; U.S. Stat., vol. 2, ch. 38 [1800]/pp. 56-57)
4 July 1800
The United States created Indiana Territory from the Northwest Territory; Indiana Territory included part of present Ohio. WAYNE (Northwest Territory, extinct) lost to creation of Indiana Territory and was eliminated from present Indiana, Illinois, and Wisconsin. (Terr. Papers U.S., 3:86-88; U.S. Stat., vol. 2, ch. 41 [1800]/pp. 58-59)
10 July 1800
TRUMBULL created by the Northwest Territory from JEFFERSON and WAYNE (Northwest Territory, extinct). (Terr. Papers U.S., 3:525; Chase, 3:ch. 338/p. 2097)
6 December 1800
CLERMONT created by the Northwest Territory from HAMILTON. (Terr. Papers U.S., 3:526; Chase, 3:ch. 339/p. 2097)
9 December 1800
FAIRFIELD created by the Northwest Territory from ROSS and WASHINGTON. (Terr. Papers U.S., 3:526; Chase, 3:ch. 340/pp. 2097-2098)
3 February 1801
KNOX (Ind.) gained non-county area in Indiana Territory; included part of present Ohio. KNOX (Ind.) also lost to creation of CLARK (Ind.), and lost to RANDOLPH (Ill.) and ST. CLAIR (Ill.). KNOX (Ind.) included territory in present Indiana, Ohio, Illinois, and Michigan. CLARK (Ind.) created by Indiana Territory from KNOX (Ind.); CLARK (Ind.) included a small area of present Ohio near Fort Recovery. (Ind. Terr., Exec. Journal, 97-100; Pence and Armstrong, 212, 520)
7 September 1801
BELMONT created by the Northwest Territory from JEFFERSON and WASHINGTON. (Terr. Papers U.S., 3:528; Chase, 3:ch. 341/p. 2098)
1 March 1803
The United States created the state of Ohio from the Northwest Territory and Indiana Territory. ADAMS, BELMONT, CLERMONT, FAIRFIELD, HAMILTON, JEFFERSON, ROSS, TRUMBULL, and WASHINGTON became counties in the state of Ohio. HAMILTON gained from KNOX (Ind.), exchanged with CLARK (Ind.); HAMILTON eliminated from present Indiana. Non-County Area 1 created in Ohio from KNOX (Ind.) and WAYNE (Northwest Territory, extinct). WAYNE (Indiana Territory, extinct) created by Indiana Territory from KNOX (Ind.), ST. CLAIR (Ill.), and the former Northwest Territory north of Ohio; included parts of present Ohio, Illinois, Indiana, Michigan, and Wisconsin. WAYNE (Indiana Territory, extinct) overlapped part of the state of Ohio. WAYNE (Northwest Territory) and the Northwest Territory were eliminated; CLARK (Ind.) and KNOX (Ind.) were eliminated from present Ohio. (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)
30 April 1803
GALLIA created from WASHINGTON. (Ohio Laws 1803, 1st assy., ch. 8/p. 19; Chase, 3:ch. 347/pp. 2100-2101)
FRANKLIN created from ROSS and Non-County Area 1; FRANKLIN overlapped a small area of WAYNE (Indiana Territory, extinct). Non-County Area 2 created from Non-County Area 1. (Ohio Laws 1803, 1st assy., ch. 11/p. 26; Chase, 3:ch. 348/p. 2101)
1 May 1803
SCIOTO created from ADAMS. (Ohio Laws 1803, 1st assy., ch. 3/p. 8; Chase, 3:ch. 344/p. 2099)
BUTLER and WARREN created from HAMILTON. GREENE created from HAMILTON, ROSS, and Non-County Area 1. MONTGOMERY created from HAMILTON and Non-County Area 1. Non-County Area 1 eliminated. (Ohio Laws 1803, 1st assy., ch. 4, secs. 1-4, 8/pp. 9-12; Chase, 3:ch. 345/pp. 2099-2100)
COLUMBIANA created from JEFFERSON and WASHINGTON. (Ohio Laws 1803, 1st assy., ch. 6/p. 15; Chase, 3:ch. 346/p. 2100)
1 March 1804
MUSKINGUM created from FAIRFIELD, WASHINGTON, and a small piece of COLUMBIANA. COLUMBIANA implicitly gained small area from WASHINGTON. WASHINGTON was separated into two parts by this creation. (Ohio Laws 1803, 2d assy., ch. 6, secs. 1-4/pp. 68-70; Chase, 3:ch. 349/p. 2101)
29 December 1804
SCIOTO gained from GALLIA. (Ohio Laws 1804, 3d assy., ch. 74/p. 294; Chase, 3:ch. 354/p. 2103)
1 March 1805
ATHENS created from WASHINGTON. (Ohio Laws 1804, 3d assy., ch. 68/p. 283; Chase, 3:ch. 351/p. 2102)
CHAMPAIGN created from FRANKLIN and GREENE. (Ohio Laws 1804, 3d assy., ch. 69/p. 285; Chase, 3:ch. 342 [sic]/p. 2103)
1 May 1805
HIGHLAND created from ADAMS, CLERMONT, and ROSS. (Ohio Laws 1804, 3d assy., ch. 60, sec. 1/p. 256; Chase, 3: ch. 350/p. 2102)
30 June 1805
The United States created Michigan Territory from Indiana Territory. Overlap between Ohio and Indiana Territory ended when WAYNE (Indiana Territory) was eliminated upon the creation of Michigan Territory. Michigan Territory claimed and controlled a strip that ran from Indiana Territory east to Lake Erie that also was claimed by Ohio. (Terr. Papers U.S., 10:5-7; U.S. Stat., vol. 2, ch. 5 [1805]/pp. 309-310)
1 March 1806
GEAUGA created from TRUMBULL. (Ohio Laws 1805, 4th assy./p. 65; Chase, 3:ch. 356/pp. 2103-2104)
30 January 1807
ATHENS exchanged small areas with GALLIA. (Ohio Laws 1806, 5th assy., ch. 39/p. 105; Chase, 3:ch. 359/p. 2105)
31 January 1807
JEFFERSON gained from WASHINGTON [ended division of WASHINGTON]. (Ohio Laws 1806, 5th assy., ch. 37/p. 104; Ohio Laws 1826, 25th assy., gen., p. 15; Chase, 3:ch. 358/p. 2104 and ch. 454/p. 2141)
1 April 1807
MIAMI created from MONTGOMERY [MONTGOMERY was separated into two parts by this creation]. (Ohio Laws 1806, 5th assy., ch. 32, secs. 1-2, 5/pp. 94-96; Chase, 3:ch. 357/p. 2104)
20 January 1808
BUTLER gained from HAMILTON. (Ohio Laws 1807, 6th assy., ch. 4/p. 10; Chase, 3:ch. 363/p. 2106)
13 February 1808
STARK created from COLUMBIANA and Non-County Area 2; STARK not fully organized, attached to COLUMBIANA for administrative and judicial purposes. WAYNE created from Non-County Area 2; WAYNE not fully organized, attached to COLUMBIANA for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 46/p. 154; Chase, 3:ch. 367/p. 2108)
18 February 1808
ATHENS exchanged with WASHINGTON. (Ohio Laws 1807, 6th assy., ch. 43/p. 149; Chase, 3:ch. 366/pp. 2107-2108)
1 March 1808
KNOX created from FAIRFIELD, FRANKLIN, and Non-County Area 2. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)
LICKING created from FAIRFIELD. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)
RICHLAND created from FRANKLIN and Non-County Area 2; RICHLAND not fully organized, attached to KNOX for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)
FRANKLIN gained from FAIRFIELD. Non-County Area 2 eliminated. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)
PREBLE created from BUTLER and MONTGOMERY. (Ohio Laws 1807, 6th assy., ch. 51, secs. 1-2, 5/pp. 164-166; Chase, 3:ch. 369/p. 2109)
15 March 1808
TUSCARAWAS created from MUSKINGUM. (Ohio Laws 1807, 6th assy., ch. 50/p. 163; Chase 3:ch. 368/pp. 2108-2109)
1 April 1808
DELAWARE created from FRANKLIN [FRANKLIN was separated into two parts by this creation]. (Ohio Laws 1807, 6th assy., chs. 10, 45/pp. 29, 152; Chase, 3:ch. 365/p. 2107)
7 June 1808
ASHTABULA created from GEAUGA and TRUMBULL; ASHTABULA not fully organized, parts attached to GEAUGA and TRUMBULL. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)
CUYAHOGA created from GEAUGA; CUYAHOGA not fully organized, attached to GEAUGA. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)
PORTAGE created from TRUMBULL. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)
Parts of TRUMBULL reverted to Non-County Area 3 attached to GEAUGA and Non-County Area 4 attached to PORTAGE. All attachments were for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)
1 January 1809
STARK fully organized, detached from COLUMBIANA. WAYNE detached from COLUMBIANA, attached to STARK for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 46, secs. 2-3/pp. 154-155; Chase 3: ch. 367, secs. 2-3/p. 2108)
3 January 1809
DARKE created from MIAMI; DARKE not fully organized, attached to MIAMI for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 6/p. 69; Chase, 3:ch. 373/p. 2110)
7 February 1809
HURON created from part of Non-County Area 3 attached to GEAUGA and part of Non-County Area 4 attached to PORTAGE; HURON not fully organized, parts attached to GEAUGA and PORTAGE for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 48/p. 194; Chase, 3:ch. 377/pp. 2110-2111)
11 February 1809
TUSCARAWAS gained from JEFFERSON. (Ohio Laws 1808, 7th assy., ch. 18/p. 142; Chase, 3:ch. 374/p. 2110)
17 February 1809
Northern part of FRANKLIN reverted to Non-County Area 5 and was attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 27/p. 156; Chase, 3:ch. 376/p. 2110)
20 February 1809
TRUMBULL gained that part of ASHTABULA that was attached to TRUMBULL. (Ohio Laws 1808, 7th assy., ch. 19/p. 143; Chase, 3:ch. 375/p. 2110)
1 March 1810
PICKAWAY created from FAIRFIELD, FRANKLIN, and ROSS. (Ohio Laws 1809, 8th assy., ch. 13/p. 41; Chase, 3:ch. 379/p. 2111)
GUERNSEY created from BELMONT and MUSKINGUM. (Ohio Laws 1809, 8th assy., ch. 20, secs. 1-2, 4/pp. 65-67; Chase, 3:ch. 380/p. 2112)
FAYETTE created from HIGHLAND and ROSS. (Ohio Laws 1809, 8th assy., ch. 39, secs. 1-2/pp. 138-139; Chase 3:ch. 382/p. 2113)
CLINTON created from HIGHLAND and WARREN. (Ohio Laws 1809, 8th assy., ch. 63/p. 236; Chase, 3:ch. 384/pp. 2113-2114)
COSHOCTON created from MUSKINGUM and TUSCARAWAS; COSHOCTON not fully organized, attached to MUSKINGUM for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 26, secs. 1-2, 4/pp. 81-83; Chase, 3:ch. 381/pp. 2112-2113)
MADISON created from FRANKLIN. (Ohio Laws 1809, 8th assy., ch. 67/p. 248; Chase, 3:ch. 385/p. 2114)
1 May 1810
CUYAHOGA fully organized, detached from GEAUGA. HURON detached from GEAUGA and PORTAGE, attached to CUYAHOGA. Non-County Area 3 detached from GEAUGA, attached to CUYAHOGA. Both attachments were for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 11/p. 34; Chase, 3:ch. 378/p. 2111)
22 January 1811
CUYAHOGA and HURON gained all of Non-County Area 3 attached to CUYAHOGA. Mistake in description created an overlap (Overlap Area 2) between CUYAHOGA and HURON; corrected 18 February 1812. HURON remained attached to CUYAHOGA and Non-County Area 3 was eliminated. PORTAGE exchanged with attached Non-County Area 4; Non-County Area 4 remained attached to PORTAGE. (Ohio Laws 1810, 9th assy., ch. 14/p. 27; Chase 3:ch. 386/p. 2114)
1 April 1811
COSHOCTON fully organized, detached from MUSKINGUM. (Ohio Laws 1810, 9th assy., ch. 17/p. 32; Chase, 3:ch. 387/p. 2115)
1 May 1811
ASHTABULA gained from TRUMBULL; ASHTABULA fully organized, detached from GEAUGA. (Ohio Laws 1810, 9th assy., ch. 21/p. 42; Chase, 3:ch. 388/p. 2115)
7 January 1812
Part of MONTGOMERY lying north of the Indian Boundary reverted to Non-County Area 6 attached to DARKE and Non-County Area 7 attached to MIAMI. Non-County Area 6 attached to DARKE was attached indirectly through DARKE to MIAMI. Attachments were for administrative and judicial purposes. (Ohio Laws 1811, 10th assy., ch. 13/p. 22; Chase, 3:ch. 390/p. 2115)
18 February 1812
MEDINA created from Non-County Area 4 attached to PORTAGE; MEDINA not fully organized, attached to PORTAGE for administrative and judicial purposes. Non-County Area 4 eliminated. HURON gained control of the area overlapped with CUYAHOGA (Overlap Area 2), ending dispute dating from 22 January 1811; Overlap Area 2 eliminated. (Ohio Laws 1811, 10th assy., ch. 46/p. 122; Chase, 3:ch. 391/pp. 2115-2116)
1 March 1812
WAYNE fully organized, detached from STARK. (Ohio Laws 1811, 10th assy., ch. 10/p. 17; Chase, 3:ch. 389/p. 2115)
29 January 1813
MONROE created from BELMONT, GUERNSEY, and WASHINGTON; MONROE not fully organized, parts attached to BELMONT, GUERNSEY, and WASHINGTON for administrative and judicial purposes. (Ohio Laws 1812, 11th assy., ch. 25/p. 57; Chase, 3:ch. 396/p. 2117)
1 February 1813
HARRISON created from JEFFERSON and TUSCARAWAS. (Ohio Laws 1812, 11th assy., ch. 5., sec. 1/p. 11 and ch. 11/p. 26; Chase, 3:chs. 393, 395/pp. 2116-2117)
4 February 1813
CLINTON gained from HIGHLAND. (Ohio Laws 1812, 11th assy., ch. 30/p. 67; Chase, 3:ch. 397/pp. 2117-2118)
1 March 1813
RICHLAND fully organized, detached from KNOX. (Ohio Laws 1812, 11th assy., ch. 9/p. 21; Chase, 3:ch. 394/p. 2117)
10 February 1814
ATHENS exchanged with WASHINGTON. (Ohio Laws 1813, 12th assy., ch. 49/p. 146; Chase, 3:ch. 398/p. 2118)
1 February 1815
PIKE created from ADAMS, ROSS, and SCIOTO. (Ohio Laws 1814, 13th assy., ch. 16, secs. 1, 6/pp. 52, 54; Chase 3:ch. 399/pp. 2118-2119)
1 March 1815
CLINTON gained from HIGHLAND and WARREN; WARREN gained from BUTLER. (Ohio Laws 1814, 13th assy., ch. 31, secs. 1, 2, 4, 5/pp. 109-111; Chase, 3:ch. 400/pp. 2119-2120)
MONROE gained from WASHINGTON; MONROE fully organized, detached from BELMONT, GUERNSEY, and WASHINGTON. (Ohio Laws 1814, 13th assy., ch. 36, secs. 1, 2, 6/pp. 128-129; Chase, 3:ch. 402/pp. 2120-2121)
1 April 1815
HURON fully organized, detached from CUYAHOGA. Non-County Area 8 created from Non-County Area 5; Non-County Area 8 detached from DELAWARE, attached to HURON "for judicial purposes." (Ohio Laws 1814, 13th assy., ch. 33/p. 113; Chase, 3:ch. 401/p. 2120)
21 November 1815
WAYNE (Mich.) created by Michigan Territory from non-county area; included part of the disputed strip west of Lake Erie that was also claimed by Ohio but controlled by Michigan. (Terr. Papers U.S., 10:720)
21 December 1815
LAWRENCE created from GALLIA and SCIOTO; LAWRENCE not fully organized, parts attached to GALLIA and SCIOTO for administrative and judicial purposes. (Ohio Laws 1815, 14th assy., ch. 8/p. 22; Chase, 3:ch. 403/p. 2121)
1 March 1816
JACKSON created from ATHENS, GALLIA, ROSS, and SCIOTO. (Ohio Laws 1815, 14th assy., ch. 25, secs. 1, 5/pp. 112, 115; Chase, 3:ch. 404/pp. 2121-2122)
18 October 1816
WAYNE (Mich.) gained non-county area known as Michilimackinac District; area within present Ohio was unchanged. (Terr. Papers U.S., 10:722)
27 January 1817
FRANKLIN gained small area from LICKING. (Ohio Laws 1816, 15th assy., ch. 53/p. 169; Chase, 3:ch. 410/p. 2123)
1 March 1817
DARKE fully organized, detached fron MIAMI; Non-County Area 6 attached directly to DARKE for administrative and judicial purposes. (Ohio Laws 1816, 15th assy., ch. 4/p. 5; Chase, 3:ch. 406/p. 2122)
LAWRENCE gained small area from SCIOTO; LAWRENCE fully organized, detached from GALLIA and SCIOTO. (Ohio Laws 1816, 15th assy., ch. 6/p. 6; Chase, 3:ch. 407/p. 2123)
14 July 1817
MONROE (Mich.) created by Michigan Territory from WAYNE (Mich.); included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. WAYNE (Mich.) eliminated from the disputed area and present Ohio. (Terr. Papers U.S., 10:729)
29 December 1817
MORGAN created from GUERNSEY, MUSKINGUM, and WASHINGTON; MORGAN not fully organized, parts attached to GUERNSEY, MUSKINGUM, and WASHINGTON for administrative and judicial purposes. WASHINGTON was separated into two parts by this creation. (Ohio Laws 1817, 16th assy., ch. 18/p. 42; Chase, 3:ch. 414/p. 2126)
14 January 1818
MEDINA fully organized, detached from PORTAGE. (Ohio Laws 1817, 16th assy., ch. 30/p. 69; Chase, 3:ch. 417/pp. 2128-2129)
29 January 1818
Ohio pressed its dispute with Michigan Territory when it formally claimed the strip west of Lake Erie that lay between the northern limit of Ohio, as described when it became a state in 1803, and the southern limit of Michigan Territory, as described in Michigan Territory's enabling act of 1805. Michigan Territory retained actual control of the disputed area. (Chase, 2:ch. 432, sec. 20/p. 1045)
1 March 1818
BROWN created from ADAMS and CLERMONT. (Ohio Laws 1817, 16th assy., ch. 12, secs. 1, 6/pp. 29, 31; Chase, 3:ch. 412/pp. 2124-2125)
PERRY created from FAIRFIELD, MUSKINGUM, and WASHINGTON [ended division of WASHINGTON]. (Ohio Laws 1817, 16th assy., ch. 11, secs. 1, 5/pp. 26, 29; Chase, 3:ch. 411/p. 2124)
SCIOTO gained from LAWRENCE. (Ohio Laws 1817, 16th assy., ch. 34/p. 77; Chase 3:ch. 419/p. 2129)
HOCKING created from ATHENS, FAIRFIELD, and ROSS. JACKSON gained from ROSS. (Ohio Laws 1817, 16th assy., ch. 24, secs. 1, 6/pp. 60, 62; Chase, 3:ch. 416/pp. 2127-2128)
CLARK created from CHAMPAIGN, GREENE, and MADISON. (Ohio Laws 1817, 16th assy., ch. 14, secs. 1, 7/pp. 33, 36; Chase, 3:ch. 413/pp. 2125-2126)
LOGAN created from CHAMPAIGN. Part of CHAMPAIGN reverted to Non-County Area 9 and was attached to LOGAN for administrative and judicial purposes. (Ohio Laws 1817, 16th assy., ch. 20, secs. 1, 7/pp. 53, 55; Chase, 3:ch. 415/p. 2127)
MADISON gained from CHAMPAIGN. (Ohio Laws 1817, 16th assy., ch. 33/p. 75; Chase, 3:ch. 418/p. 2129)
22 December 1818
LAWRENCE gained from GALLIA. (Ohio Laws 1818, 17th assy., ch. 2/p. 3; Chase, 3:ch. 420/p. 2129)
25 January 1819
Southern boundary of CLARK was clarified [no change]. (Ohio Laws 1818, 17th assy., ch. 35/p. 60; Chase, 3:ch. 424/p. 2132)
5 February 1819
Boundary between ADAMS and BROWN was clarified [no change]. (Ohio Laws 1818, 17th assy., ch. 57/p. 130; Chase, 3:ch. 425/p. 2132)
1 March 1819
MORGAN fully organized, detached from GUERNSEY, MUSKINGUM, and WASHINGTON. (Ohio Laws 1818, 17th assy., ch. 6, secs. 1, 4/pp. 7-8; Chase, 3:ch. 421/pp. 2129-2130)
1 April 1819
SHELBY created from MIAMI and Non-County Area 7 attached to MIAMI; Non-County Area 7 detached from MIAMI, attached to SHELBY for administrative and judicial purposes. (Ohio Laws 1818, 17th assy., ch. 12, secs. 1, 7/pp. 21-23; Chase, 3:ch. 422/pp. 2130-2131)
MEIGS created from ATHENS and GALLIA. (Ohio Laws 1818, 17th assy., ch. 25, secs. 1, 6/pp. 40, 43; Chase, 3:ch. 423/pp. 2131-2132)
24 December 1819
MONROE gained from MORGAN. (Ohio Laws 1819, 18th assy., loc., ch. 3/p. 4; Chase, 3:ch. 427/p. 2132)
1 April 1820
UNION created from DELAWARE, FRANKLIN, LOGAN, MADISON, Non-County Area 5 attached to DELAWARE, and Non-County Area 9 attached to LOGAN. LOGAN gained part of attached Non-County Area 9. MADISON gained from FRANKLIN. (Ohio Laws 1819, 18th assy., loc., ch. 16, secs. 1, 8-9/pp. 56, 58; Chase, 3:ch. 428/p. 2133)
Legislature passed a single act creating fourteen new counties; Non-County Areas 5,6,7,8, and 9 eliminated:
ALLEN created from Non-County Area 9 attached to LOGAN and Non-County Area 7 attached to SHELBY; ALLEN not fully organized, attached to SHELBY for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)
CRAWFORD created from Non-County Area 5 attached to DELAWARE and a small part of Non-County Area 9 attached to LOGAN; CRAWFORD not fully organized, attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/p. 91; Chase, 3:ch. 429/p. 2134-2135)
HANCOCK created from Non-County Area 9 attached to LOGAN and a small part of Non-County Area 5 attached to DELAWARE; HANCOCK not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/p. 2134-2135)
HARDIN created from Non-County Area 5 attached to DELAWARE and Non-County Area 9 attached to LOGAN; HARDIN not fully organized, attached to LOGAN for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)
HENRY created from Non-County Area 9 attached to LOGAN and Non-County Area 7 attached to SHELBY. HENRY overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. HENRY not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/p. 91; Chase, 3:ch. 429/pp. 2134-2135)
MARION created from Non-County Area 5 attached to DELAWARE; MARION not fully organized, attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/p. 91; Chase, 3:ch. 429/pp. 2134-2135)
MERCER created from Non-County Area 6 attached to DARKE and Non-County Area 7 attached to SHELBY; MERCER not fully organized, attached to DARKE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)
PAULDING created from Non-County Area 6 attached to DARKE and Non-County Area 7 attached to SHELBY; PAULDING not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)
PUTNAM created from Non-County Area 9 attached to LOGAN and Non-County Area 7 attached to SHELBY; PUTNAM not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)
SANDUSKY created from Non-County Area 8 attached to HURON and Non-County Area 9 attached to LOGAN; SANDUSKY overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1, 3/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)
SENECA created from Non-County Area 8 attached to HURON and Non-County Area 9 attached to LOGAN; SENECA not fully organized, attached to SANDUSKY for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)
VAN WERT created from Non-County Area 6 attached to DARKE and Non-County Area 7 attached to SHELBY; VAN WERT not fully organized, attached to DARKE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)
WILLIAMS created from Non-County Area 6 attached to DARKE and Non-County Area 7 attached to SHELBY. WILLIAMS overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. WILLIAMS not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-3/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)
WOOD created from Non-County Area 9 attached to LOGAN. WOOD overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-3/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)
29 January 1821
Eastern boundary of CLARK was clarified [no change]. Boundary between MADISON and UNION was clarified [no change]. (Ohio Laws 1820, 19th assy., ch. 44/p. 73; Chase, 3:ch. 431/p. 2135)
10 September 1822
LENAWEE (Mich.) created by Michigan Territory from MONROE (Mich.); included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. MONROE (Mich.) lost to creation of WASHTENAW (Mich.), and lost to WAYNE (Mich.). (Terr. Papers U.S., 11:311, 313)
26 December 1822
LORAIN created from CUYAHOGA, HURON, and MEDINA; LORAIN not fully organized, parts attached to CUYAHOGA, HURON, and MEDINA for administrative and judicial purposes. (Ohio Laws 1822, 21st assy., loc., ch. 5/p. 5; Chase, 3:ch. 436/pp. 2135-2136)
2 January 1824
MERCER fully organized, detached from DARKE. VAN WERT detached from DARKE, attached to MERCER "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 35/p. 49; Chase, 3:ch. 443/p. 2138)
8 January 1824
Boundary between LOGAN and UNION was clarified [no change]. (Ohio Laws 1823, 22d assy., loc., ch. 5/p. 7; Chase, 3:ch. 438/p. 2136)
20 January 1824
HOLMES created from COSHOCTON, TUSCARAWAS, and WAYNE; HOLMES not fully organized, parts attached to COSHOCTON, TUSCARAWAS, and WAYNE for administrative and judicial purposes. (Ohio Laws 1823, 22d assy., loc., ch. 36/p. 50; Chase, 3:ch. 444/p. 2138)
2 February 1824
WILLIAMS fully organized, detached from WOOD; HENRY, PAULDING, and PUTNAM detached from WOOD, attached to WILLIAMS "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 16/p. 19; Chase, 3:ch. 440/p. 2137)
1 April 1824
LORAIN fully organized, detached from CUYAHOGA, HURON, and MEDINA. (Ohio Laws 1823, 22d assy., loc., ch. 12/p. 12; Chase, 3:ch. 439/pp. 2136-2137)
SENECA fully organized, detached from SANDUSKY; part of CRAWFORD detached from DELAWARE, attached to SENECA "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., chs. 34, 55/pp. 49, 88; Chase, 3:chs. 442, 445/pp. 2137-2139)
1 May 1824
MARION fully organized, detached from DELAWARE. CRAWFORD detached from DELAWARE, attached to MARION "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 33/p. 48; Chase, 3:ch. 441/p. 2137)
4 January 1825
HOLMES fully organized, detached from COSHOCTON, TUSCARAWAS, and WAYNE. (Ohio Laws 1824, 23d assy., gen., sec. 1/p. 21; Chase, 3:ch. 447/pp. 2139-2140)
1 March 1826
MERCER gained from SHELBY. (Ohio Laws 1825, 24th assy., loc., p. 62; Chase, 3:ch. 453/p. 2141)
SCIOTO gained from LAWRENCE. (Ohio Laws 1825, 24th assy., gen., p. 76; Chase, 3:ch. 451/p. 2141)
1 April 1826
CRAWFORD fully organized, detached from MARION and SENECA. (Ohio Laws 1825, 24th assy., gen., p. 46; Chase, 3:ch. 450/pp. 2140-2141)
22 January 1827
CLARK exchanged with MADISON. (Ohio Laws 1826, 25th assy., gen., p. 24; Chase, 3:ch. 455/pp. 2141-2142)
29 January 1827
CUYAHOGA gained from LORAIN; LORAIN and PORTAGE gained from MEDINA. (Ohio Laws 1826, 25th assy., gen., p. 111; Chase, 3:ch. 458/p. 2143)
ASHTABULA, CUYAHOGA, GEAUGA, and LORAIN gained non-county area over the waters of Lake Erie as their limits were extended to the northern boundary of Ohio [not mapped]. (Ohio Laws 1826, 25th assy., gen., p. 99; Chase, 3:ch. 456/p. 2142)
Boundary between MADISON and UNION was clarified [no change]. (Ohio Laws 1826, 25th assy., gen., p. 99; Chase, 3:ch. 457/pp. 2142-2143)
1 March 1828
ALLEN detached from SHELBY, attached to MERCER "for judicial and other purposes." (Ohio Laws 1827, 26th assy., gen., p. 3; Chase, 3:ch. 460/pp. 2143-2144)
HANCOCK fully organized, detached from WOOD. (Ohio Laws 1827, 26th assy., gen., p. 5; Chase, 3:ch. 462/p. 2144)
29 October 1829
HILLSDALE (Mich.) created by Michigan Territory from non-county area; included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. (Mich. Terr. Laws, 2:sec. 9/p. 736)
1 March 1831
ALLEN fully organized, detached from MERCER. (Ohio Laws 1830, 29th assy., loc., p. 94; Chase, 3:ch. 470/p. 2145)
1 January 1833
CARROLL created from COLUMBIANA, HARRISON, JEFFERSON, STARK, and TUSCARAWAS. HARRISON gained from TUSCARAWAS; JEFFERSON gained from COLUMBIANA. (Ohio Laws 1832, 31st assy., gen., p. 8; Chase, 3:ch. 478/pp. 2146-2147)
1 March 1833
HARDIN fully organized, detached from LOGAN. (Ohio Laws 1832, 31st assy., gen., p. 10; Chase, 3:ch. 479/p. 2147)
3 January 1834
PUTNAM fully organized, detached from WILLIAMS. (Ohio Laws 1833, 32d assy., loc., secs. 1, 13/pp. 19, 21)
3 February 1834
Boundary between CARROLL and STARK was clarified [no change]. (Ohio Laws 1833, 32d assy., loc., p. 50)
24 February 1834
Boundary between COLUMBIANA and JEFFERSON was clarified [no change]. (Ohio Laws 1833, 32d assy., loc., p. 139)
1 March 1834
ROSS gained from HOCKING. (Ohio Laws 1833, 32d assy., loc., p. 240)
26 December 1834
HENRY fully organized, detached from WILLIAMS. (Ohio Laws 1834, 33d assy., loc., p. 11)
23 February 1835
WOOD gained from SANDUSKY. Northern boundaries of ASHTABULA, CUYAHOGA, GEAUGA, HURON, LORAIN, and SANDUSKY redefined to match the northern limit of Ohio in Lake Erie [no change]. Ohio legislature authorized HENRY, WILLIAMS, and WOOD to gain control of the area disputed with Michigan Territory. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)
24 February 1835
Boundary between CARROLL and JEFFERSON was clarified [no change]. (Ohio Laws 1834, 33d assy., loc., p. 118)
20 June 1835
LUCAS created from HENRY and WOOD; LUCAS overlapped part of the area disputed with Michigan Territory since 1805, that was actually under Michigan control. (Ohio Laws 1835, 33d assy., 2d sess., sec. 1/p. 5)
14 March 1836
LUCAS gained from WOOD. (Ohio Laws 1835, 34th assy., loc., p. 470)
26 January 1837
The state of Michigan was created from Michigan Territory. Boundary dispute between Ohio and Michigan over the strip running from Indiana to Lake Erie was settled in favor of Ohio; Ohio gained control over the disputed area that it had claimed since statehood in 1803. Confirmed jurisdiction of LUCAS and WILLIAMS over the territory along the Michigan-Ohio line and eliminated HILLSDALE (Mich.), LENAWEE (Mich.), and MONROE (Mich.) from Ohio. (U.S. Stat., vol. 5, ch. 99 [1836], secs. 1-2/p. 49; ch. 117 [1836]/pp. 56-57; and ch. 6 [1837]/p.144; Van Zandt, 127)
20 February 1837
PERRY gained small area from LICKING. (Ohio Laws 1836, 35th assy., loc., p. 97)
18 March 1837
VAN WERT fully organized, detached from MERCER. (Ohio Laws 1836, 35th assy., loc., p. 273)
1 April 1838
ERIE created from HURON and SANDUSKY. (Ohio Laws 1837, 36th assy., gen., pp. 60, 66)
11 January 1839
ROSS gained small area from JACKSON. (Ohio Laws 1838, 37th assy., loc., p. 18)
18 March 1839
PAULDING fully organized, detached from WILLIAMS. (Ohio Laws 1838, 37th assy., loc., p. 385)
1 April 1839
GALLIA gained small area from LAWRENCE. (Ohio Laws 1838, 37th assy., loc., p. 229)
11 February 1840
GALLIA exchanged small areas with LAWRENCE. (Ohio Laws 1839, 38th assy., loc., p. 46)
3 March 1840
SUMMIT created from MEDINA, PORTAGE, and STARK; SUMMIT not fully organized, parts attached to MEDINA, PORTAGE, and STARK for administrative and judicial purposes. MEDINA gained from LORAIN. (Ohio Laws 1839, 38th assy., loc., p. 88)
6 March 1840
LAKE created from CUYAHOGA and GEAUGA; LAKE not fully organized, parts attached to CUYAHOGA and GEAUGA for administrative and judicial purposes. (Ohio Laws 1839, 38th assy., loc., p. 102)
OTTAWA created from ERIE, LUCAS, and SANDUSKY. ERIE gained from HURON. (Ohio Laws 1839, 38th assy., loc., p. 99)
23 March 1840
SANDUSKY gained from OTTAWA. (Ohio Laws 1839, 38th assy., loc., p. 201)
6 April 1840
LAKE fully organized, detached from CUYAHOGA and GEAUGA. (Ohio Laws 1839, 38th assy., loc., p. 171)
SUMMIT fully organized, detached from MEDINA, PORTAGE, and STARK. (Ohio Laws 1839, 38th assy., loc., p. 150)
29 January 1841
CUYAHOGA exchanged small areas with GEAUGA [area lost by CUYAHOGA too small to display on interactive map; shapefile users see small_changes 1841_pt. for location]. (Ohio Laws 1840, 39th assy., loc., p. 10)
11 January 1843
CUYAHOGA gained small area from GEAUGA [change too small to display on interactive map; shapefile users see small_changes 1843_pt. for location]. (Ohio Laws 1842, 41st assy., loc., p. 19)
7 February 1843
JACKSON exchanged with PIKE. (Ohio Laws 1842, 41st assy., loc., p. 55)
7 March 1843
ROSS gained small area from PICKAWAY in the town of Adelphi. (Ohio Laws 1842, 41st assy., loc., p. 129)
4 March 1845
FRANKLIN exchanged with MADISON. (Ohio Laws 1844, 43d assy., loc., p. 196)
8 March 1845
ERIE gained Kelley's Island from OTTAWA. (Ohio Laws 1844, 43d assy., loc., p. 300)
11 March 1845
MORGAN gained from ATHENS and WASHINGTON [section 11 in township 8, range 12 apparently remained part of WASHINGTON; corrected 1 April 1851]. (Ohio Laws 1844, 43d assy., loc., p. 360)
12 March 1845
HOCKING gained from ATHENS. (Ohio Laws 1844, 43d assy., loc., p. 410)
7 April 1845
DEFIANCE created from HENRY, PAULDING, and WILLIAMS. (Ohio Laws 1844, 43d assy., loc., sec. 1/p. 191)
WYANDOT created from CRAWFORD, HANCOCK, HARDIN, and MARION. CRAWFORD gained from MARION and RICHLAND. (Ohio Laws 1844, 43d assy., loc., secs. 1-2/pp. 61-62)
14 February 1846
MORGAN gained from WASHINGTON. (Ohio Laws 1845, 44th assy., loc., p. 105)
24 February 1846
ASHLAND created from HURON, LORAIN, RICHLAND, and WAYNE. (Ohio Laws 1845, 44th assy., loc., secs. 1-2/pp. 172-173)
1 March 1846
MAHONING created from COLUMBIANA and TRUMBULL. (Ohio Laws 1845, 44th assy., loc., p. 116)
5 February 1847
RICHLAND gained from ASHLAND. (Ohio Laws 1846, 45th assy., loc., p. 37)
4 February 1848
TUSCARAWAS gained small area from STARK. (Ohio Laws 1847, 46th assy., loc., p. 79)
1 March 1848
AUGLAIZE created from ALLEN and MERCER. ALLEN gained from MERCER, PUTNAM, and VAN WERT; DARKE exchanged with MERCER; PUTNAM gained from VAN WERT; VAN WERT gained from MERCER. (Ohio Laws 1847, 46th assy., loc., secs. 1-4, 7/pp. 128-129)
MORROW created from CRAWFORD, DELAWARE, KNOX, MARION, and RICHLAND. MARION gained from DELAWARE. (Ohio Laws 1847, 46th assy., loc., secs. 1, 4/pp. 233-234)
22 March 1849
RICHLAND gained small area from MORROW. (Ohio Laws 1848, 47th assy., loc., p. 362)
1 April 1850
FULTON created from HENRY, LUCAS, and WILLIAMS. LUCAS gained from OTTAWA. (Ohio Laws 1849, 48th assy., loc., p. 682)
VINTON created from ATHENS, GALLIA, HOCKING, JACKSON, and ROSS. HOCKING gained from ATHENS and FAIRFIELD; JACKSON gained from GALLIA. (Ohio Laws 1849, 48th assy., loc., secs. 1-3, 6/pp. 684-685)
25 March 1851
FRANKLIN gained from FAIRFIELD. (Ohio Laws 1850, 49th assy., loc., p. 150)
1 April 1851
NOBLE created from GUERNSEY, MONROE, MORGAN, and WASHINGTON. MONROE and MORGAN gained from WASHINGTON, including section 11, township 8, range 12, which had been left with WASHINGTON on 11 March 1845. (Ohio Laws 1850, 49th assy., loc., secs. 1-2, 4, 10/pp. 137-139)
3 April 1857
Legislature authorized FRANKLIN to gain from MADISON dependent on local referendum [local action unknown, no change]. (Ohio Laws 1857, 52d assy., 2d sess., p. 260)
2 April 1859
Legislature authorized CLERMONT to gain small area from WARREN dependent on local referendum [local action unknown, no change]. (Ohio Laws 1859, 53d assy., 2d sess., loc., p. 296)
27 October 1874
HIGHLAND gained from BROWN. (Downes, 446-448)
16 April 1883
Boundary between HARDIN and LOGAN was clarified [no change]. (Ohio Laws 1883, 65th assy., adj. sess., p. 341)
9 October 1883
LOGAN exchanged small areas with SHELBY. (Ohio Laws 1883, 65th assy., adj. sess., p. 324)
30 April 1886
Legislature authorized AUGLAIZE to exchange with LOGAN dependent on local referendum [local action unknown, no change]. (Ohio Laws 1886, 67th assy., reg. sess., p. 332)
3 February 1887
Legislature authorized AUGLAIZE to exchange with LOGAN dependent on local referendum [local action unknown, no change]. (Ohio Laws 1887, 67th assy., adj. sess., p. 276)
6 November 1888
AUGLAIZE exchanged small areas with LOGAN. (Ohio Laws 1888, 68th assy., reg. sess., p. 418)
27 April 1896
Legislature authorized KNOX to gain from HOLMES dependent on local referendum [local action unknown, no change]. (Ohio Laws 1896, 72d assy., reg. sess., p. 670)