On February 27, 1801, pursuant to the District of Columbia Organic Act of 1801, Washington, D.C. is placed under the jurisdiction of theU.S. Congress.
On February 26, 1870, In New York City a demonstration of the first pneumatic subway opens to the public.
On February 25, 1870, Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the firstAfrican American ever to sit in the U.S. Congress.
On February 24, 1863, Arizona is organized as a United States territory.
On February 23, 1847, Battle of Buena Vista – In Mexico, Americantroops under General Zachary Taylor defeat Mexican General Antonio López de Santa Anna.