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100 years ago today, March 16, 1926: Robert Goddard succeeded at the world's first liquid-fuel rocket flight, which lasted 2.5 seconds but proved it was possible. While solid-fuel black-powder rockets had existed for centuries, they weren't reliable enough for more than short-range projectiles or fireworks. Liquid fuel rockets opened the path to spaceflight: first space flight 18 years later in WWII, Apollo 11 Moon landing 43 years later. https://en.wikipedia.org/wiki/Robert_H._Goddard#First_liquid-fueled_flight #rocketry #space #history #TDIH