1945 was the first year that a Nuclear bomb was successfully tested then used in combat.
Nuclear weapons against mankind happened in 1945. Other than that it has not happened again.
First test (Trinity)Only use in war (Hiroshima & Nagasaki)
1945
US 1945
1945
1945
Since 1945.
They were used.
August 6, 1945: HiroshimaAugust 9, 1945: Nagasaki
From 1945 until the late 1970s or early 1980s the United States always had the most nuclear weapons. After then the USSR/Russia has had the most nuclear weapons.
Only the US.
Trinity was the code name of the first nuclear weapons test of an atomic bomb. This test was conducted by the United States Army on July 16, 1945.