Birth of Nikola Tesla
Nikola Tesla was born on July 10, 1856, in Smiljan, Austrian Empire (present-day Croatia).
Technology
Birth of Lillian M. Gilbreth
Lillian Evelyn Moller Gilbreth was born on May 24, 1878, in Oakland, California. Dubbed “America’s first lady of engineering,” Gilbreth combined psychology, engineering, and scientific management to improve efficiency and productivity for a number of businesses and industries.
Birth of Dr. Theodore von Kármán
Scientist and mathematician Dr. Theodore von Kármán was born on May 11, 1881, in Budapest, Austria-Hungary.
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.
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.
The Space Shuttle Challenger Disaster
On January 28, 1986, the space shuttle Challenger broke apart during the launch of its 10th mission.
American Society of Civil Engineers
On November 5, 1852, the American Society of Civil Engineers was founded in New York City.
The Moscow-Washington Hotline
On August 30, 1963, the first message was sent on the Moscow-Washington hotline.
First International Polar Year
On August 1, 1882, the first International Polar Year (IPY) began.