July 11, 1804: Vice President of the United States, Aaron Burr, mortally wounds former Secretary of the Treasury, Alexander Hamilton, in a pistol duel.
July 12, 1812: US forces led by General Hull invade Canada (War of 1812).
July 13, 1923: The Hollywood Sign is officially dedicated in the hills above Hollywood, Los Angeles. It originally reads "Hollywoodland" but the four last letters are dropped after renovation in 1949.
July 14, 1933: Germany begins mandatory sterilization of people with hereditary illnesses.
July 15, 1960: Chubby Checker releases his version of "The Twist" in the US.
July 16, 1969: Apollo 11 launched, carrying 1st men to land on Moon.
July 17, 1948: US Air Force pilot Gail Halvorsen encounters children in at Templehof Airport in Berlin during the Berlin Blockade, giving him the idea to drop candy in 'Operation Little Vittles'.