1799 ― French-Egyptian forces under Napolean I beat Turks at Battle of Abukir
1814 ― Battle of Niagara Falls (Lundy's Lane); Americans defeat British
1860 ― First U.S. intercollegiate billiards match (Harvard vs Yale)
1909 ― France's Louis Bleriot, makes first airplane flight across English Channel
1946 ― First bikini is shown at a Paris fashion show
1947 ― U.S. Department of the Army created
1952 ― Commonwealth of Puerto Rico created (Constitution Day)
1963 ― U.S., Russia & England sign nuclear test ban treaty
1967 ― Construction begins on SF MUNI METRO (Market Street subway)
1975 ― Premier of "A Chorus Line," longest-running Broadway show (6,137 performances)
1983 ― First nonhuman primate (baboon) conceived in a lab dish, San Antonio
1984 ― Cosmonaut Svetlana Savitskaya becomes first woman to walk in space
1992 ― 25th Summer Olympic Games open in Barcelona, Spain