Ohio
»
Adams County
16
»
Allen County
31
»
Ashland County
20
»
Ashtabula County
41
»
Athens County
29
»
Auglaize County
23
»
Belmont County
25
»
Brown County
27
»
Butler County
90
»
Carroll County
10
»
Champaign County
35
»
Clark County
43
»
Clermont County
28
»
Clinton County
18
»
Columbiana County
44
»
Coshocton County
20
»
Crawford County
26
»
Cuyahoga County
422
»
Darke County
26
»
Defiance County
12
»
Delaware County
58
»
Erie County
181
»
Fairfield County
48
»
Fayette County
17
»
Franklin County
347
»
Fulton County
7
»
Gallia County
9
»
Geauga County
18
»
Greene County
46
»
Guernsey County
21
»
Hamilton County
381
»
Hancock County
14
»
Hardin County
7
»
Harrison County
7
»
Henry County
4
»
Highland County
27
»
Hocking County
12
»
Holmes County
16
»
Huron County
17
»
Jackson County
14
»
Jefferson County
25
»
Knox County
45
»
Lake County
82
»
Lawrence County
21
»
Licking County
64
»
Logan County
10
»
Lorain County
121
»
Lucas County
93
»
Madison County
11
»
Mahoning County
74
»
Marion County
18
»
Medina County
31
»
Meigs County
10
»
Mercer County
29
»
Miami County
45
»
Monroe County
10
»
Montgomery County
155
»
Morgan County
6
»
Morrow County
15
»
Muskingum County
81
»
Noble County
10
»
Ottawa County
32
»
Paulding County
4
»
Perry County
14
»
Pickaway County
31
»
Pike County
8
»
Portage County
49
»
Preble County
19
»
Putnam County
10
»
Richland County
68
»
Ross County
44
»
Sandusky County
12
»
Scioto County
43
»
Seneca County
45
»
Shelby County
18
»
Stark County
90
»
Summit County
180
»
Trumbull County
38
»
Tuscarawas County
26
»
Union County
9
»
Van Wert County
8
»
Vinton County
11
»
Warren County
53
»
Washington County
39
»
Wayne County
22
»
Williams County
7
»
Wood County
33
»
Wyandot County
10
»
Adams County
40
»
Allen County
125
»
Ashland County
31
»
Ashtabula County
85
»
Athens County
67
»
Auglaize County
85
»
Belmont County
64
»
Brown County
42
»
Butler County
109
»
Carroll County
20
»
Champaign County
83
»
Clark County
79
»
Clermont County
96
»
Clinton County
39
»
Columbiana County
76
»
Coshocton County
48
»
Crawford County
35
»
Cuyahoga County
258
»
Darke County
83
»
Defiance County
111
»
Delaware County
76
»
Erie County
85
»
Fairfield County
68
»
Fayette County
32
»
Franklin County
396
»
Fulton County
89
»
Gallia County
33
»
Geauga County
30
»
Greene County
98
»
Guernsey County
38
»
Hamilton County
260
»
Hancock County
66
»
Hardin County
47
»
Harrison County
28
»
Henry County
100
»
Highland County
21
»
Hocking County
29
»
Holmes County
10
»
Huron County
17
»
Jackson County
36
»
Jefferson County
94
»
Knox County
46
»
Lake County
45
»
Lawrence County
20
»
Licking County
75
»
Logan County
150
»
Lorain County
55
»
Lucas County
251
»
Madison County
26
»
Mahoning County
66
»
Marion County
32
»
Medina County
37
»
Meigs County
51
»
Mercer County
92
»
Miami County
105
»
Monroe County
9
»
Montgomery County
668
»
Morgan County
42
»
Morrow County
14
»
Muskingum County
62
»
Noble County
16
»
Ottawa County
70
»
Paulding County
37
»
Perry County
29
»
Pickaway County
43
»
Pike County
15
»
Portage County
32
»
Preble County
37
»
Putnam County
57
»
Richland County
40
»
Ross County
56
»
Sandusky County
185
»
Scioto County
36
»
Seneca County
88
»
Shelby County
51
»
Stark County
62
»
Summit County
102
»
Trumbull County
39
»
Tuscarawas County
68
»
Union County
61
»
Van Wert County
66
»
Vinton County
17
»
Warren County
82
»
Washington County
119
»
Wayne County
14
»
Williams County
75
»
Wood County
205
»
Wyandot County
69
»
Adams County
»
Allen County
»
Ashland County
»
Ashtabula County
»
Athens County
»
Auglaize County
»
Belmont County
»
Brown County
»
Butler County
»
Carroll County
»
Champaign County
»
Clark County
»
Clermont County
»
Clinton County
»
Columbiana County
»
Coshocton County
»
Crawford County
»
Cuyahoga County
»
Darke County
»
Defiance County
»
Delaware County
»
Erie County
»
Fairfield County
»
Fayette County
»
Franklin County
»
Fulton County
»
Gallia County
»
Geauga County
»
Greene County
»
Guernsey County
»
Hamilton County
»
Hancock County
»
Hardin County
»
Harrison County
»
Henry County
»
Highland County
»
Hocking County
»
Holmes County
»
Huron County
»
Jackson County
»
Jefferson County
»
Knox County
»
Lake County
»
Lawrence County
»
Licking County
»
Logan County
»
Lorain County
»
Lucas County
»
Madison County
»
Mahoning County
»
Marion County
»
Medina County
»
Meigs County
»
Mercer County
»
Miami County
»
Monroe County
»
Montgomery County
»
Morgan County
»
Morrow County
»
Muskingum County
»
Noble County
»
Ottawa County
»
Paulding County
»
Perry County
»
Pickaway County
»
Pike County
»
Portage County
»
Preble County
»
Putnam County
»
Richland County
»
Ross County
»
Sandusky County
»
Scioto County
»
Seneca County
»
Shelby County
»
Stark County
»
Summit County
»
Trumbull County
»
Tuscarawas County
»
Union County
»
Van Wert County
»
Vinton County
»
Warren County
»
Washington County
»
Wayne County
»
Williams County
»
Wood County
»
Wyandot County
Brief timeline of the history of the state of Ohio:
- 10,000 BCE: Paleo-Indians are believed to be the first human inhabitants of the region, hunting and gathering in what is now Ohio.
- 1600s: Various Native American tribes, including the Shawnee, Delaware, and Wyandot, reside in the area.
- 1668: French explorers arrive and claim the Ohio River Valley for France.
- 1763: After the French and Indian War, the British gain control of the region as part of the Treaty of Paris.
- 1783: The American Revolutionary War ends, and the newly formed United States gains control of the Ohio territory.
- 1803: Ohio becomes the 17th state of the United States.
- Early 19th century: The construction of the Miami and Erie Canal, completed in 1845, stimulates economic growth and connects Ohio's interior to Lake Erie and the Ohio River.
- 1851: The first successful oil well in the United States is drilled in Ohio, marking the beginning of the oil industry in the region.
- 1861-1865: Ohio plays a significant role during the American Civil War, providing troops and resources to the Union cause.
- Late 19th century: Industrialization transforms Ohio, with the growth of manufacturing industries, including steel, automotive, and rubber.
- 1903: The Wright brothers, Orville and Wilbur, from Dayton, Ohio, successfully launch the world's first controlled, sustained flight.
- 1913: The Great Dayton Flood occurs, resulting in significant damage and loss of life in Dayton and other areas along the Miami River.
- 1969: Neil Armstrong, an Ohio native, becomes the first person to walk on the moon as part of the Apollo 11 mission.
- Today, Ohio is known for its diverse economy, including manufacturing, technology, healthcare, and education. It is also home to several major sports teams and cultural institutions.