US President John Adams became the first president to move into the White House.
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Michelangelo's Sistine Chapel ceiling mural was presented to the public.
The first known performance of William Shakespeare's 'Othello' occurred at Whitehall Palace, London.
Australia, Canada, and Turkey announced they would send armed forces to Afghanistan.
The Maastricht Treaty came into effect, and with it, the European Union was formed.
Palau's archipelago became the first country in the world to ban the use of sunscreen containing harmful chemicals that destroy reefs.