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On May 11, 1858, Minnesota became the 32nd state admitted into the Union.

U.S. congressman, senator and presidential candidate Stephen A. Douglas was born April 23, 1813, in Brandon, Vermont.

On April 16, 1862, President Lincoln signed an act abolishing slavery in the District of Columbia, an important step in the long road toward f…

On March 31, 1917, U.S. took formal possession of the Danish West Indies. Renamed U.S. Virgin Islands, this chain consists of St. Thomas, St. …

Hallie Quinn Brown was an African American born free on March 10, 1845, according to some sources.

On Feb. 26, 1919, Congress passed An Act to Establish Grand Canyon National Park in the State of Arizona.

Arizona, formerly part of the Territory of New Mexico, was organized as a separate territory on Feb. 24, 1863.