Nuclear Weaponry

WWII Begins

Sep 1, 1939

Source Hitler leads the Nazis to the Polish Invasion. Two days later, British Prime Minister Chamberlain will officially declare war on Germany.

US Neutrality Act

Nov 4, 1939

SourcePresident Roosevelt abstained from entering the war.

Formation of Axis Powers

Sep 7, 1940

Source
Germany, Japan, Italy

Formation of Allied Powers

Oct 2, 1940

Source Great Britain, France, Russia

Bombing of Pearl Harbor

Dec 7, 1941

Source Japanese bomb Pearl Harbor to dissuade US participation in the war.

V-E Day

May 8, 1945

Source War ends in Europe

Testing Nuclear Bomb

Jul 16, 1945

Source

Hiroshima Bombed

Aug 6, 1945

Source

Nagasaki Bombed

Aug 9, 1945

Source

Soviet Nuclear Bomb Development

Aug 29, 1949

Source

Partial Test Ban Treaty

Aug 5, 1963

Source

Treaty on the Nonproliferation of Nuclear Weapons

Jul 1, 1968

Source

Comprehensive Nuclear Test Ban Treaty

Sep 24, 1996

Source

First International Day for the Total Elimination of Nuclear Weapons

Sep 26, 2014

Source