Ordered chronologically :
Colonel Arbuckle builds Fort Towson to the South of Fort Gibson, the first fort in Indian Territory. (1824)
president Andrew Jackson sings the Indian Removal Act. (1829)
The Cherokee tribe signs the Treaty of New Echota. (1835)
the Second Seminole war ends, and the US government forces the Seminole tribe to relocate to reservations in the West. (1835- 1842)