The Homestead Act opens up settlement in the western U.S. by allowing any adult American to claim up to 160 acres of free federal land. 15,000 claims are made by the end of the Civil War.
The Civilized Tribes are forced to cede large portions of their land, including the Unassigned Lands, to the U.S. Government for relocation of other Native American nations.
Boomers begin attempts to settle in the Unassigned Lands. The U.S. military repeatedly forces them out.
The Santa Fe Railroad from Kansas to Texas is completed. Multiple stops are opened in the Unassigned Lands.
Creek and Seminole Nations release claims to the Unassigned Lands, and Congress approves opening the land for settlement.
"Boomer camps" pop up along and inside the borders of the Unassigned Lands.
President Harrison's Proclamation sets noon on April 22 as the time and date for the Land Run
Prospective settlers are escorted from the Kansas and Texas borders to the perimeter of the Unassigned Lands. Those already inside are required to leave.
Land east of the railroad tracks at Oklahoma Station is reserved for military use
Oklahoma Land Run officially begins.
The first mass meeting is called. A Citizens' Committee of 14 is elected and instructed to conduct a survey.
Conflicting surveys are reconciled and approved at a second mass meeting. A temporary mayor is elected.
The first formal election is held. A mayor and city council are chosen.
Cheyenne and Arapahoe leaders meet with federal officials to discuss the sale of land claims outside the Unassigned Lands.
The election to adopt a new city charter written by Kickapoo dissenters is shut down by the mayor.
A new city charter written by supporters of the mayor is overwhelmingly rejected at the polls.
Six congressmen visit the city for a first-hand look at Oklahoma country.
Another Kickapoo charter election is broken up by the U.S. military.
Mayor W.L. Couch resigns after a summer and fall of political unrest.
Dr. A. J. Beale, a Kickapoo leader, is elected to replace Mayor Couch.
Federal officials order Mayor Beale to stop challenges to existing property ownership, effectively shutting down city government
The Oklahoma Organic Act sets federal rules to establish territorial government.
Oklahoma City incorporated
W.J. Gault is elected the first mayor of Oklahoma City after incorporation.25