German Chancellor Angela Merkel visited Athens and was met by 50,000 protestors.
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One thousand radio stations from over 100 countries around the world simultaneously broadcast John Lennon's 'Imagine' in honor of what would have been his 50th birthday.
Peter the Great of Russia defeated Sweden at the battle of Lesnaya.
The South Korean alphabet, called 'Hangul,' was published.
British Parliament met at the University of Oxford rather than the Palace of Westminster during the Great Plague of London.
Hoover Dam began producing electricity and transmitting it to Los Angeles, California.
