Explorer Richard E. Byrd became the first person to fly over the South Pole.
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Irish Republican Army (IRA) ambushed British soldiers near Kilmichael in County Cork.
Lady Nancy Astor became the first woman to become a member of the British House of Commons.
Navigator Ferdinand Magellan began his exploration of the Pacific Ocean.
A Virgin Airlines plane became the first to fly using 100% sustainable jet fuel.
Women voted in a general election for the first time in New Zealand.
