- 14:31, 23 May 2013 diff hist +4 Scrap Drives current
- 14:31, 23 May 2013 diff hist −3 Segregation
- 14:31, 23 May 2013 diff hist −32 Second Red Scare
- 14:31, 23 May 2013 diff hist −3 Vietnam War
- 14:31, 23 May 2013 diff hist −36 Synthetic Rubber
- 14:31, 23 May 2013 diff hist +6 Victory Gardens current
- 14:31, 23 May 2013 diff hist −11 World War II
- 14:31, 23 May 2013 diff hist −20 Agriculture and Farming in Ohio
- 14:31, 23 May 2013 diff hist +10 Anti-German Sentiment
- 14:31, 23 May 2013 diff hist +4 Australian Ballot current
- 14:31, 23 May 2013 diff hist +6 Automobiles
- 14:31, 23 May 2013 diff hist +1 Baseball current
- 14:31, 23 May 2013 diff hist −2 Bicycles
- 14:31, 23 May 2013 diff hist −3 Big Business current
- 14:31, 23 May 2013 diff hist +7 Blimps
- 14:31, 23 May 2013 diff hist −37 Bootlegging current
- 14:31, 23 May 2013 diff hist +23 British Era
- 14:31, 23 May 2013 diff hist 0 Child Labor
- 14:31, 23 May 2013 diff hist −40 City Bosses
- 14:31, 23 May 2013 diff hist +1 City Machines current
- 14:31, 23 May 2013 diff hist +3 City Managers
- 14:31, 23 May 2013 diff hist −2 Coal Mining current
- 14:31, 23 May 2013 diff hist −10 Direct Primaries
- 14:31, 23 May 2013 diff hist +2 Dirigibles current
- 14:31, 23 May 2013 diff hist −8 Early Industrialization
- 14:31, 23 May 2013 diff hist +2 Electric Trolleys current
- 14:31, 23 May 2013 diff hist +2 Electricity current
- 14:31, 23 May 2013 diff hist 0 Farm Mechanization in Ohio
- 14:31, 23 May 2013 diff hist +4 Free Silver
- 14:31, 23 May 2013 diff hist +23 French Era
- 14:31, 23 May 2013 diff hist −6 Frontier Education current
- 14:31, 23 May 2013 diff hist −184 Fur Trade
- 14:31, 23 May 2013 diff hist +4 Gilded Age
- 14:30, 23 May 2013 diff hist −34 Initiative current
- 14:30, 23 May 2013 diff hist −3 Iron Production
- 14:30, 23 May 2013 diff hist −35 Iroquois Era
- 14:30, 23 May 2013 diff hist 0 Kindergartens
- 14:30, 23 May 2013 diff hist +6 Liberty Loans current
- 14:30, 23 May 2013 diff hist +11 Lyceums current
- 14:30, 23 May 2013 diff hist +3 Meatpacking current
- 14:30, 23 May 2013 diff hist −1 Medicine Before the Civil War
- 14:30, 23 May 2013 diff hist −35 Model T
- 14:30, 23 May 2013 diff hist 0 Monopoly current
- 14:30, 23 May 2013 diff hist −35 Municipal Home Rule current
- 14:30, 23 May 2013 diff hist +15 The Ohio State Bird current
- 14:30, 23 May 2013 diff hist +7 Oil Industry
- 14:30, 23 May 2013 diff hist −2 Public Education
- 14:30, 23 May 2013 diff hist −34 Poliomyelitis current
- 14:30, 23 May 2013 diff hist +8 Radio current
- 14:30, 23 May 2013 diff hist −35 Referendum current
As the Ohio History Connection continues to allocate and prioritize its resources, we no longer have the capacity to update and moderate content on Ohio History Central. These pages will be taken down effective Dec. 31, 2023.