May 8, 1827 - The army post, Fort Leavenworth, was founded by Colonel Henry Leavenworth.
May 30, 1854 - The Kansas-Nebraska Act, that opened the two territories up for settlement, officially became law.
October 7, 1854 - Andrew Reeder, the first acting governor of the Kansas territory, arrived at Fort Leavenworth.
May 19, 1858 - Pro and anti slavery proponents confronted each other near the Marais Des Cygnes river resulting in five deaths.
July 29, 1859 - The Wyandotte Constitution, the basis for the present day constitution of Kansas, was the fourth constitution proposed but the only one adopted by the territory.
February 23, 1860 - Kansas abolished slavery.
January 29, 1861 - Kansas officially became the 34th U.S. state.
April 3, 1860 - The legendary Pony Express began out of St. Joseph, Kansas.
August 21, 1863 - During the Civil War, William Quantrill and a number of men raided Lawrence, Kansas in one of the bloodiest acts in the war.
April 15, 1871 - The legendary Wild Bill Hickock became marshall for Abilene, Kansas.
October 14, 1890 - Dwight D. Eisenhower, who would become the 34th President of the United States, was born. Abilene, Kansas would later be home to the Eisenhower Presidential Center.
July 24, 1897 - The world renowned aviator, Amelia Earhart, was born in Atchison, Kansas.
November 3, 1914 - Women got to vote for the first time in Kansas.
May 17, 1954 - The groundbreaking case, Brown vs. The Board of Education, was decided by the Supreme Court, making segregation unlawful.