US President Woodrow Wilson announced the country would never fight another country for territory again.
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Gliese 229B became the first brown dwarf to be seen and identified by astronomers.
Roman Emperor Constantine had his Vision of the Cross.
Inventor Fred Waller patented the aquaplane, which would become water skis.
Englishman William Penn founded Philadelphia, Pennsylvania.
James Dean's most acclaimed movie, 'Rebel Without a Cause,' was released in the US.
