Today is the 100 year anniversary of the first launch of a liquid-fueled rocket.
https://www.space.com/space-exploration/2-seconds-that-changed-the-world-the-1st-liquid-fueled-rocket-launched-100-years-ago-today
Robert Goddard, assisted by his wife Esther, sent the first liquid-fueled rocket aloft on March 16, 1926.
Ben Brockert