1910-1919 By hanischk Mar 16, 1910 Boy Scouts Founded Mar 16, 1911 First Indianapolis 500 The first Indianapolis is run, Ray Harrounat was the winner Mar 16, 1912 Titanic Sunk Mar 16, 1912 Electronic timing first used in Olympics Mar 16, 1912 Girl Scouts Founded Mar 17, 1913 Ford Introduces Assembly Line Mar 17, 1914 Start Of World War I Mar 17, 1914 Panama Canal Opens Mar 17, 1917 The U.S Joins World War I Mar 17, 1919 Treaty Of Versailles Treaty that ended world war one