Det danske Fredsakademi

Kronologi over fredssagen og international politik 15. Juli 1957 / Time Line July 15, 1957

14. Juli 1957, 16. Juli 1957

07/15/1957
Operation Plumbbob
Amerikansk  atmosfærisk atomvåbenforsøg i Nevada.
Kilde: United States Nuclear Tests, July 1945 through September 1992.
U.S. Department of Energy Nevada Operations Office, DOE/NV--209-REV 15, December 2000.

05/15/1957

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