The first life insurance policy in the United States was issued in Philadelphia.
Abraham Lincoln received patent number 6469 for his floating dry dock.
An earthquake near Xining, China, measuring 8.3 claimed approximately 200,000 victims.
Harry S. Truman's Doctrine brought aid to Greece and Turkey to combat the spread of Communism.
Richard Nixon arrived in Moscow, becoming the first U.S. president to visit the Soviet Union.
North Yemen and South Yemen merged to form the Republic of Yemen.
Johnny Carson hosted the last episode of his Tonight Show.
The UN Security Council approved a resolution lifting the economic sanctions against Iraq and supporting the U.S.-led administration in Iraq.
At least 140 people are killed and hundreds more injured as a three-quarter-mile-wide tornado hits Joplin, Missouri. The tornado is among the deadliest in the nation's history, destroying nearly a third of the city and damaging about 2,000 buildings, including water treatment and sewage plants.
Tokyo Skytree, which at 634 meters high is the tallest tower in the world, opened to the public.
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