July 16, 1945
It was originally scheduled for July 4, 1945 but was delayed by several days of bad weather.
1945 (not including testing)
The US made atomic bombs from 1945 to 1992.
1974
The first atomic bomb didn't explode in China, it exploded in New Mexico, USA July 25, 1945. I'm 95-99% sure New Mexico had the first one.
J. Robert Oppenheimer allowed for the fact that such a bomb existed as far back as May 10th, 1945. Remember that the Manhattan Project was undertaken using the utmost secrecy. The atomic bomb was first exploded at the top secret base of Alamogordo, NM on July 16th, 1945. The bomb was first used in warfare at Hiroshima and Nagasaki, Japan in August 1945. . Compliments of www.manuscriptex.com
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1942
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20019
The first atomic bomb was made August 1945. My ? to you is," Why did they even start making those atomic bomb anyway?
1945
1945 (not including testing)
The Soviets tested their first A-Bomb in 1949; one year before the start of the Korean War (1950-1953).
Never! Leo Szilard invented the atomic bomb in 1933.
1945
1945
1945