Today in History - May 25 - Virtual Globetrotting

1953 – Nuclear testing: At the Nevada Test Site, the United States conducts its first and only nuclear artillery test.

Atomic Cannon

280 mm Atomic Cannon

280mm Field Gun, "The Atomic Cannon"

Operation Upshot-Knothole Grable

2009 – North Korea allegedly tests its second nuclear device. Following the nuclear test, Pyongyang also conducted several missile tests building tensions in the international community.

North Korean underground nuclear test (May 25, 2009)

General vicinity of North Korean nuclear test preparation