Greece won its first UEFA Euro Cup after beating Portugal in the final 1-0.
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President Thomas Jefferson announced the Louisiana Purchase to the public.
The United States of America declared its Independence from Britain.
NASA's Pathfinder Space probe landed on Mars.
Chinese astronomers reported the brightest supernova known to man.
The first Atlanta International Pop Festival took place at Atlanta International Raceway in Hampton, Georgia, with as many as 150,000 partygoers.
