Timeline of Ohio History Since Prehistoric Period By fankexin 1748 The Ohio Company formed in Virginia to settle the Ohio River Valley http://www.ohiohistorycentral.org/w/Paleoindian_Period 1768 Treaty of Fort Stanwix - Iroquois ceded all lands south and east of the Ohio River to the British http://www.ohiohistorycentral.org/w/Treaty_of_Fort_Stanwix_(1784) 1775 The American Revolution http://www.ohiohistorycentral.org/w/American_Revolution 1785 Land Ordinance of 1785 established methods for surveying and dividing land in the Ohio Country http://www.ohiohistorycentral.org/w/Land_Ordinance_of_1785 1787 Congress enacted the Northwest Ordinance, establishing the Northwest Territory, which included modern-day Ohio http://www.ohiohistorycentral.org/w/Northwest_Territory Period: 1790 to 1794 Ohio Indian Wars http://www.ohiohistorycentral.org/w/Ohio_Indian_Wars 1802 Enabling Act set the stage for Congress to admit Ohio to the Union http://www.ohiohistorycentral.org/w/Enabling_Act_of_1802 1802 Thomas Worthington presented Ohio constitution to Congress for approval http://www.ohiohistorycentral.org/w/Thomas_Worthington 1803 President Jefferson signed legislation making Ohio the seventeenth state of the Union http://www.ohiohistorycentral.org/w/Thomas_Jefferson 1812 City of Columbus founded and named as new state capitol http://www.ohiohistorycentral.org/w/Columbus,_Ohio 1851 The Ohio Constitution of 1851 adopted http://www.ohiohistorycentral.org/w/Ohio_Constitution_of_1851 Period: 1860 to 1865 American Civil War http://www.ohiohistorycentral.org/w/American_Civil_War Period: 1866 to 1900 Industrialization and Urbanization 1870 Originally known as the Ohio Agricultural and Mechanical College, The Ohio State University chartered by the Ohio General Assembly http://www.ohiohistorycentral.org/w/Ohio_Agricultural_and_Mechanical_College 1902 The Ohio General Assembly officially adopted Ohio's state flag http://www.ohiohistorycentral.org/w/Ohio%27s_State_Flag_(1901) Period: 1914 to 1918 World War I http://www.ohiohistorycentral.org/w/World_War_I Period: 1929 to 1941 The Great Depression http://www.ohiohistorycentral.org/w/Great_Depression Period: 1941 to 1945 The World War II entangled the United States and Ohio http://www.ohiohistorycentral.org/w/World_War_II Period: 1946 to 1975 The Cold War and the Civil Rights Movement http://www.ohiohistorycentral.org/w/Cold_War http://www.ohiohistorycentral.org/w/Civil_Rights_Movement Period: 1978 to 2018 Modern Ohio 1979 Public schools in Columbus, Dayton and Cleveland began busing pupils to eliminate segregation http://www.ohiohistorycentral.org/w/Busing
