Template:Selected anniversaries/April 26: Difference between revisions

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||1951 – Arnold Sommerfeld, German physicist and academic (b. 1868)
||1951 – Arnold Sommerfeld, German physicist and academic (b. 1868)
||Castle Union was the code name given to one of the tests in the Operation Castle series of United States nuclear tests. It was the first test of the TX-14 thermonuclear weapon (initially the "emergency capability" EC-14), one of the first deployed U.S. thermonuclear bombs. Pic.


||1962 – NASA's Ranger 4 spacecraft crashes into the Moon.
||1962 – NASA's Ranger 4 spacecraft crashes into the Moon.

Revision as of 17:31, 21 March 2018