Marie and Pierre Curie isolate radium in Paris, France.
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SpaceX's Starship rocket exploded four minutes into its first full flight test.
Danica Patrick won the Indy Japan 300, becoming the first woman to win an Indy car race.
Oliver Cromwell dissolved England's Rump Parliament.
Nazi-German ace fighter pilot, The Red Baron, shot down his final two victims.
Neil Armstrong flew the X-15 craft to an altitude of 34 miles (54.6 km).
