Oklahoma History Timeline1600's
- (1682) French explorer Robert Cavelier, Sieur de la Salle claimed Oklahoma for France
- (1803) U.S. acquired most of Oklahoma from France in the Louisiana Purchase
- (1830s - 1840s) The Cherokee, Chickasaw, Choctaw, Creek and Seminole (called the Five Civilized Tribes) were forced to relocate from their native lands (by the U.S. government) into Oklahoma, known then as the Indian Territory. Thousands of native Americans lost their lives on the bloody marches to Oklahoma.
- (1842) Remaining Seminole Indians (from Florida) moved to Oklahoma
- (1860s) After the Civil War, because the Indians had sided with the Confederacy, they faced ruin and forfeiture of their lands
- (1870s) An additional 25 tribes were moved to Oklahoma to reside on federal lands
- (1872) The railroad crossed Oklahoma, and routes of commerce began to open
- (1875) At the Battle of Washita, George Custer defeated remaining Indian forces, and in general terms the Indian wars ended
- (1889) U.S. government opened all unassigned Oklahoma lands for settlement, and thousands of settlers crossed the border to stake their claims
- (1890) Oklahoma Territory created, coexisted with the Indian Territory
- (1907) Oklahoma became a state
- (1930s) Severe drought and the national economic depression ruined most of Oklahoma's farmers
- (1959) Alcohol prohibition was repealed in the state
- (1971) The McClellen-Kerr Arkansas River Navigation System opened, connecting Tulsa (and Oklahoma) to the Mississippi River
- (1990) Oklahoma became the first state to limit the terms of legislators
- (1995) Terrorist bomb blew up the Murrah Federal Building in downtown Oklahoma City, killing 168 people, and injuring hundreds more
- (2001) Two Oklahoma State basketball players, six staffers, broadcasters associated with team killed in plane crash during snowstorm in Colorado; Oklahoma City bomber, Timothy McVeigh, executed
- (2002) Two Oklahoma State basketball players, six staffers, broadcasters associated with team killed in plane crash during snowstorm in Colorado; Oklahoma City bomber, Timothy McVeigh, executed; 12 people killed when barge struck bridge, caused collapse into Arkansas River on Interstate 40
- (2004) Oklahoma City bomber co-conspirator, Terry Nichols, found guilty on all counts
- (2008) Tornado struck Picher, killed six, destroyed 20-block area (clean-up efforts complicated by town's status as one of most polluted sites in nation)
- (2010) Tornadoes, rainstorms killed two, injured hundreds, damaged more than 1,485 homes and businesses
- (2011) Tornadoes struck in several areas of the state, killing five
Oklahoma Cities, Counties & Area Codes
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