U.S. President John F. Kennedy holds his iconic “Ich bin ein Berliner” speech. The speech was a welcome gesture of support for the people of West Berlin. East Germany had erected the Berlin Wall just two years earlier to stop mass emigration to the West.
The world's first practical helicopter lifts off. The twin-rotor Focke-Wulf Fw 61 was first tested in Bremen, Germany. None of the first prototypes survived World War II but a replica can be seen at the Hubschraubermuseum in Bückeburg, Germany.
Charlie Chaplin's film “The Gold Rush” receives its premiere. The comedy featuring Chaplin in his famous Little Tramp role is a classic of the silent film genre. The English star actor repeatedly stated that this is the film he wants to be remembered for.
Battle of Fleurus: major victory by forces of the First French Republic under General Jean-Baptiste Jourdan over the Coalition Army (Great Britain, Hanover, Dutch Republic, and Habsburgs) first use of reconnaissance balloon.