[Source: “Finding the Site of the First Soviet Nuclear Test in 1949,” by former U.S. Weather Bureau meteorologist Lester Machta in the Bulletin of the American Meteorological Society (1992)]. journals.ametsoc.org/view/journal...
Replies
President Truman was initially not certain he wanted to publicly announce the Soviet nuclear test, worrying that doing so would have serious diplomatic and economic repercussions. When he finally did, however, he did not say it was an atomic bomb test, only that “an atomic explosion occurred.”
aug 29, 2025, 2:07 pm • 2 0 • view
Today is also the 34th anniversary of the closure of the Semipalatinsk Test Site—aka the Polygon—and the 16th International Day Against Nuclear Tests, established by the United Nations in 2009 at the urging of Kazakhstan and other states to commemorate that milestone.
aug 29, 2025, 2:07 pm • 12 2 • view