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
Ohio has always been an important state in presidential elections.
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.