At 2 PM EST, there was a 10 minute moment of silence in memory of John Lennon.
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The Mariner 2 space probe completed the first-ever flyby of Venus.
Northern Germany and the Netherlands were struck by St. Lucia's flood, killing more than 50,000 people.
The European Union formally opened accession negotiations with Ukraine.
After invading Finland, the Soviet Union was kicked out of the League of Nations.
A Norwegian expedition became the first to ever reach the geographical South Pole – led by Roald Amundsen.
