Ohio history
How Ohio came to be what it is
Ohio's towns, roads, lakes, wars and people, told from the old maps, photographs and records themselves and held to the same standard as everything else on this site: a source on every fact, and the disputes stated where the records disagree. Every history page links to the ZIP codes, towns and counties it is about, and those pages link back.
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Notable Ohioans
453 people with Ohio roots, from presidents and inventors to astronauts, athletes and abolitionists, each tied to the towns and counties where they were born, lived, worked and are buried.
Inventions and firsts
153 things Ohioans invented, did first or built into companies, from the airplane to the cash register, with the disputes stated where the records disagree.
Landmarks, places and lost places
Long reads on single Ohio places: who built them, what happened there and what is left. Every one is also on the deep dives page.
- Adena Mansion, Chillicothe, Ohio: Thomas Worthington's Home and History
- Amlin, Ohio: the railroad village Dublin grew around
- Armstrong Air & Space Museum, Wapakoneta, Ohio: History and Timeline
- Ash Cave and Cedar Falls, Ohio: history, names and the ash heap mystery
- Blue Hole of Castalia, Ohio: History, Legend and the Castalia Springs
- Cedar Point, Ohio: History of the Sandusky Amusement Park Since 1870
- Cincinnati Union Terminal, Ohio: Art Deco Station History and Timeline
- Cincinnati Zoo, Ohio: history of America's second-oldest zoo
- Clifton Gorge, Ohio: Geology, Legends and Clifton Mill History
- Columbus Zoo and Aquarium, Ohio: History from 1927 to Today
- Conkle's Hollow and Rock House, Hocking Hills, Ohio: History and Legends
- Cuyahoga Valley National Park, Ohio: history from canal to national park
- Dayton Aviation Heritage, Ohio: The Wright Brothers' Dayton History
- Fallen Timbers Battlefield, Ohio: The 1794 Battle and Fort Miamis
- Fort Ancient Earthworks, Ohio: Hopewell Hilltop Enclosure History
- Fort Meigs, Ohio: War of 1812 sieges, Dudley's Defeat and history
- German Village, Columbus, Ohio: History, Timeline and Preservation
- Harriet Beecher Stowe House, Cincinnati, Ohio: Lane Seminary History
- Holmes County Amish Country, Ohio: Berlin, Walnut Creek, Charm History
- John Rankin House, Ripley, Ohio: Underground Railroad History
- Johnson's Island, Ohio: Civil War prison and Confederate cemetery
- Kahiki Supper Club, Columbus, Ohio: the tiki palace on East Broad
- Kelleys Island, Ohio: Glacial Grooves, Inscription Rock and History
- Kings Island, Ohio: History from Coney Island to The Beast
- Lake View Cemetery, Cleveland, Ohio: Garfield Memorial and History
- Lakeside Chautauqua, Ohio: history of the Lake Erie Methodist resort
- Longaberger Basket Building, Newark, Ohio: History and What Happened
- Malabar Farm, Ohio: Louis Bromfield's Farm and the Bogart-Bacall Wedding
- Marblehead Lighthouse, Ohio: history of the oldest Great Lakes light
- Marietta, Ohio: Campus Martius, Mound Cemetery and the Conus History
- McCoy Park, Columbus, Ohio: the park, the floodwall and the NWSL deal
- McKinley National Memorial, Canton, Ohio: The President's Tomb
- Mohican State Park, Ohio: Clear Fork Gorge History and Timeline
- Mound City Group, Ohio: Hopewell mounds and Camp Sherman history
- National Museum of the U.S. Air Force, Ohio: History and Collection
- New Albany, Ohio: Wexner's planned town, Intel and the data centers
- Newark Earthworks, Ohio: Hopewell Great Circle and Octagon History
- Oberlin College and Oberlin, Ohio: Abolition, Coeducation and History
- Ohio Caverns: history and geology of Ohio's largest cave system
- Ohio Stadium, Columbus, Ohio: History of the Horseshoe Since 1922
- Ohio State Fair History: 1850 Cincinnati to the Columbus Fairgrounds
- Ohio State Reformatory, Mansfield: Shawshank Prison History, Timeline
- Ohio Statehouse, Columbus: History, Lincoln Visits and Timeline
- Ohio University history: Cutler Hall, the College Green and 1804 charter
- Old Man's Cave, Ohio: Legend, Geology and Hocking Hills History
- Over-the-Rhine and Findlay Market, Cincinnati, Ohio: History
- Pro Football Hall of Fame, Canton, Ohio: History and Timeline
- Put-in-Bay, Ohio: Perry's Victory, the Battle of Lake Erie and history
- Rock and Roll Hall of Fame, Cleveland, Ohio: Why It Is in Cleveland
- Roebling Suspension Bridge, Cincinnati, Ohio: History and Timeline
- Schoenbrunn Village and the Gnadenhutten Massacre, Ohio: history
- Serpent Mound, Ohio: Who Built It, How Old It Is and Its History
- Spring Grove Cemetery, Cincinnati, Ohio: History and Who Is Buried There
- Stan Hywet Hall and Gardens, Akron, Ohio: Seiberling Estate History
- The Ohio State University: Campus History from 1870 to Today
- The Wilds, Ohio: history of the safari park on reclaimed strip-mine land
- Toledo and Perrysburg, Ohio: Eight Miles Apart on the Maumee
- West Side Market, Cleveland, Ohio: History of the 1912 Market Hall
- Zoar Village, Ohio: History of the German Separatist Commune
More long reads
Ohio from deep time to statehood, its wars and turning points, and the stories still unfolding, each with a short question-and-answer section. Every one is also on the deep dives page.
- Brian Poindexter: who the Democrat running against Max Miller is, and what the arrest ads leave out
- Columbus Day in Ohio: The Holiday, the City's Name and the Man
- Flock Cameras in Ohio (2026): Where They Are and Who Searches the Data
- Fort Ancient Villages and Serpent Mound's Unsettled Age
- Ohio data centers: sites, tax breaks, power, water, moratoria
- Ohio's Archaic period: 7,000 years before the first mound
- Ohio's deep time: 450 million years of sea, reefs and fossils
- Ohio's first people: no cavemen, but mastodon hunters
- Ohio's Ice Age animals: mastodons, mammoths and giant beavers
- Ohio's Ice Age: the glaciers that shaped the state
- Ohio's Native Nations: Return, War and Removal, 1650-1843
- Ohio's Road to Statehood: Wars, Treaties, 1754-1803
- The Adena: Ohio's first mound builders, named for a house
- The Hopewell: Ohio's Earthworks, the Moon and a Trade Network
- The Mound Builder Myth: Ohio's Hoaxes, Losses and Repatriation
- The Toledo War (1835-1836): How Ohio Won Toledo From Michigan
- Who Were the First Europeans in Ohio? The Real Story
The lakes and the valleys under them
34 of Ohio’s major lakes and reservoirs: the valley before the water, who built the dam and why, and the families and towns bought out. All of them are on the lakes page.
- Acton Lake
- Alum Creek Lake
- Atwood Lake
- Berlin Lake
- Buckeye Lake
- Burr Oak Lake
- C.J. Brown Reservoir
- Caesar Creek Lake
- Charles Mill Lake
- Clendening Lake
- Cowan Lake
- Deer Creek Lake
- Delaware Lake
- Dillon Lake
- East Fork Lake
- Grand Lake St. Marys
- Hoover Reservoir
- Indian Lake
- Lake Loramie
- Lake Milton
- Leesville Lake
- Michael J. Kirwan Reservoir
- Mosquito Creek Lake
- O'Shaughnessy Reservoir
- Paint Creek Lake
- Piedmont Lake
- Pleasant Hill Lake
- Portage Lakes
- Pymatuning Lake
- Rocky Fork Lake
- Salt Fork Lake
- Seneca Lake
- Tappan Lake
- Wills Creek Lake
Old maps and aerial photographs
Sanborn fire-insurance maps, 1870s county atlases, old aerial photographs and the National Register of Historic Places, laid over today’s streets on the map. The full list is on the overlays page.
How each county has voted for president
Every presidential election since 1852, county by county: how often each county has gone each way, the years it changed sides and its closest results. Statewide: Ohio and the presidency.
- 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
Films
Short films and documentaries on Ohio’s past, each with its sources, are on the videos page.