Illinoisentered the Union on Dec. 3, 1818. The 21st state takes its name from the Illinois Confederation—a group of Algonquian-speaking tribes…

On Nov. 2, 1889, North Dakota and South Dakota were admitted to the Union as the 39th and 40th states, respectively.

John Ross, long-time leader of the Cherokee Nation, was born on Oct. 3, 1790, in Cherokee territory now part of Alabama.

On Aug. 14, 1848, Congress created the Oregon Territory, an area encompassing present-day Oregon, Idaho, Washington, and parts of western Mont…

On Aug.  9, 1814, Major General Andrew Jackson, “Old Hickory,â€� signed the Treaty of Fort Jackson ending Creek War.Â