the Comprehensive Test Ban Treaty (1996)

the Nuclear Suppliers Group (1975)

the Anti-Ballistic Missile Treaty (May 26, 1972 - June 13, 2002)

the Tomahawk Cruise Missile (1971) was the first computerized cruise missile

the Nuclear Non-Proliferation Treaty (July 1, 1968)

Missile Defense (1967)

Agent Orange

the Partial Test Ban Treaty (1963)

the Munich Conference on Security Policy (1962)

the Campaign for Nuclear Disarmament (1958)

nuclear disarmament (1946)

Atomic bombings of Hiroshima and Nagasaki

the Manhattan Project (1942-1946)

the Kellogg-Briand Pact (August 27, 1928)

tank (1915)

submachine gun

machine pistol

the modern land mine (1862)

the Dreyse needle-gun (mid-19th century)

revolver

pistol

bayonet (mid-17th century)

artillery (mid 15th century)

firearm (1249)

rockets (12th century)

Damascened steel sword (900-1750)

fire lances (10th century)

Trebuchet

Greek fire (670)

crossbow

lance

pilum

sling

boomerang

mounted archer (800 bc)

cavalry

infantry

the harpoon (bc)

atlatl (18,000 bc)

bow and arrow (20,000 bc)

trap

spear (1,800,000 bc)

knife

handaxe (2,000,000 bc)