1950: Truman announces development of H-bomb

[Jan 31]( THIS DAY IN HISTORY 1950 [Truman announces development of H-bomb]( U.S. President Harry S. Truman publicly announces his decision to support the development of the hydrogen bomb, a weapon theorized to be hundreds of times more powerful than the atomic bombs dropped on Japan during World War II. Five months earlier, the United States had lost its nuclear supremacy... [read more »]( American Revolution 1752 [Gouverneur Morris is born »]( Automotive 2007 [Cars.com names most memorable TV cars »]( Civil War 1865 [House passes the 13th Amendment »]( Cold War 1990 [First McDonald's opens in Soviet Union »]( Crime 1990 [The McMartin Preschool trials »]( Disaster 1953 [Flood wreaks havoc in Europe »]( General Interest 1606 [The death of Guy Fawkes »]( 1917 [Germany resumes submarine warfare »]( 1968 [Viet Cong attack U.S. Embassy »]( 1971 [Apollo 14 departs for the moon »]( Hollywood 1974 [Samuel Goldwyn dies »]( Literary 1923 [Norman Mailer is born »]( Music 1937 [American composer Phillip Glass is born »]( Old West 1872 [Author Zane Grey is born »]( Presidential 1995 [Clinton authorizes loan to Mexico »]( Sports 1988 [Doug Williams leads Redskins to Super Bowl victory »]( Vietnam War 1968 [Viet Cong attack U.S. Embassy »]( 1972 [North Vietnam presents nine-point peace proposal »]( World War I 1917 [Germans unleash U-boats »]( World War II 1945 [The execution of Pvt. Slovik »]( [HISTORY.com]( [SHOWS]( [VIDEOS]( [SCHEDULE]( [TOPICS]( [Subscribe]( | [Update Profile]( | [Contact Us](mailto:thc.newsletters@aetn.com) This is a promotional email from HISTORY and A+E Networks. You received this message because {EMAIL} is subscribed to This Day In History email updates. If you DO NOT wish to receive these emails please [UNSUBSCRIBE](. Having trouble viewing this message? [View the web version](. To ensure delivery to your inbox (not junk folders) and view images, [please add us to your address book or safe/white list](. © 2018 A&E Television Networks, LLC. All Rights Reserved. Email Marketing, 235 E 45th Street, New York, NY 10017 [Corporate Information]( | [TV Parental Guidelines]( | [Careers]( | [Terms of Use]( | [Privacy Policy]( | [Copyright Policy]( | [Ad Sales]( | [Ad Choices](