Birth of Dr. Theodore von Kármán
Scientist and mathematician Dr. Theodore von Kármán was born on May 11, 1881, in Budapest, Austria-Hungary.
Technology
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1939 New York World’s Fair
On April 30, 1939, the New York World’s Fair opened at Flushing Meadows-Corona Park in Queens, New York.
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Happy National Doctors’ Day
March 30 is celebrated as National Doctor’s Day in the United States to commemorate Dr. Crawford W. Long’s use of ether for the first time on this date in 1842.
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The Space Shuttle Challenger Disaster
On January 28, 1986, the space shuttle Challenger broke apart during the launch of its 10th mission.
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The Moscow-Washington Hotline
On August 30, 1963, the first message was sent on the Moscow-Washington hotline.
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First International Polar Year
On August 1, 1882, the first International Polar Year (IPY) began.
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U.S. Lands First Men On The Moon
On July 20, 1969, the US effectively won the Space Race when Neil Armstrong and Buzz Aldrin landed the Eagle lunar module on the Moon’s surface.
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Launch of Pioneer 11
On April 5, 1973 (some sources cite April 6 UTC (Coordinated Universal Time), the Pioneer 11 space probe launched from Cape Canaveral, Florida.
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Launch of Sputnik I
On October 4, 1957, the Soviet Union launched Sputnik I, the first man-made object in space, which sparked the start of the Space Race with the United States.
