The world’s first jet-powered aircraft, the Heinkel He 178, completed its first flight.
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Chinese and Korean forces won the two-day Battle of Baekgangon.
Jessi Combs broke the female fastest land speed record when her jet-powered vehicle reached a speed of 522.783 mph (841.338 kph).
Disney's Mary Poppins was released and premiered at Grauman's Chinese Theatre in Los Angeles.
Jacques Charles and the Robert brothers released the first-ever unmanned hydrogen balloon.
Hurricane Five struck Florida and caused 700 fatalities.