Det danske Fredsakademi

Kronologi over fredssagen og international politik 19. september 1957 / Timeline September 19, 1957

18. September 1957, 20. September 1957

09/19/1957
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.

09/19/1957

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