Armenia declared its independence from the Soviet Union.
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During World War I, Japan officially declared war on Germany.
Napoleon Bonaparte left Egypt to return home to France.
Mars had a 'close encounter' with Earth at 34.8 million miles apart.
The World Council of Churches (WCC) was founded with 147 churches from 44 countries.
The first-ever message was sent from a ship to the shore at Cliff House, San Francisco.