The iconic Niagara Falls waterfall ran out of water during a drought.
All that was left was a dry cliff top.
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Four people died, and at least twenty were injured in a terrorist attack near the Houses of Parliament in London.
New York became the first US court to allow blood test results to be used as evidence.
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.
Arthur Schawlow & Charles Townes was granted the first patent for a laser.
The Beatles released their very first album, 'Please Please Me.'