1868 Union Pacific completed tracks to Laramie.
1886 The legislature approved the creation of a mental hospital in Evanston.
1887 Buffalo Bill Cody's Wild West Show opens in London.
1892 USS Wyoming sold.
1911 Susan Wissler elected Mayor of Dayton, the first woman to be elected as a mayor in Wyoming. She lived a long, but hard, life, having come to Wyoming with her husband and children in 1900. Her husband died in 1906 and she did not remarry. She was a millner by trade, but employed in Dayton as a school teacher. In her later years she was in constant ill health, but she lived to age 85. She served as mayor for two years.
1916 President Woodrow Wilson mobilizes the National Guard of Arizona, New Mexico and Texas to patrol their borders with Mexico.
1945 Ratification in Berlin-Karlshorst of the German unconditional surrender of May 8 in Rheims, France. Marshal Georgy Zhukov sings for the Soviet Union, Sir Arthur Tedder, British Air Marshal and Eisenhower’s deputy for SHEAF, Colonel-General Hans-Jürgen Stumpff as the representative of the Luftwaffe, Field Marshal Wilhelm Keitel as the Chief of Staff of OKW, and Admiral Hans-Georg von Friedeburg as Commander-in-Chief of the Kriegsmarine. The Channel Islands are liberated by the British after five years of German occupation. U.S. officials announced that the midnight entertainment curfew was being lifted immediately. Herman Goering taken prisoner by the U.S. Seventh Army in Bavaria. Karl Frank, the Nazi administrator in Czechoslovakia surrendered to the U. S. army near Pilsen, Czechoslovakia.
1950 President Truman spoke at the dedication of Kortes Dam.