The Spanish National Assembly officially abolished slavery in Puerto Rico.
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The iconic Niagara Falls waterfall ran out of water during a drought.
The Beatles released their very first album, 'Please Please Me.'
The first God of War game was released for the PlayStation 2 to the North American market.
Four people died, and at least twenty were injured in a terrorist attack near the Houses of Parliament in London.
The super-bright comet 'Hale-Bopp' reached its closest point to Earth at a distance of 1.215 AU, making it visible to the naked eye.
