The first flight over the North Pole was completed, flown by Richard E. Byrd with co-pilot Floyd Bennett.
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Five bank robbers armed themselves and attempted a heist in Norco, California.
A steam locomotive called City of Truro became the first steam engine to go over 100 miles per hour.
An attempt was made to steal the Crown Jewels.
The Luna 5 attempted to land on the Moon.
The United States became the first country to legalize a birth control pill.