1868 ----- St. Petersburg Conference - banned certain projectiles in war
1907 ----- Hague Convention Respecting the Laws and Customs of ar on Land
1925 ----- Protocols for the Prohibition of the Use in War of Asphyxiating, Poisonous Gases and Bacteriological Methods
1945 ----- August 6 US dropped 16- kiloton uranium 235 atomic bomb n Hiroshima killing 75,000. Week later WWII over.
1959 ----- Antarctic Treaty
8/63 ----- Nuclear Test Ban Treaty, signed in Mocow by the U.S., USSR, and Great Britain, prohibited testing of nuclear weapons in space, above ground, and under water. Hot line and Moderization agreements -Kennedy/Khrushchev
1/67 ----- Outer Space Treaty banned the introduction of nuclear weapons into space. Latin American Nuclear Free Zone Treaty
1968 ----- Non-proliferation of Nuclear Weapons Treaty, with U.S., USSR, and Great Britain as major signers, limited the spread of military nuclear technology by agreement not to assist nonnuclear nations in getting or making nuclear weapons.
1971 ----- Sea Bed Treaty
1972 ----- Biological Weapons Convention
1972 ----- SALT 1 Interim Agreement
1972 ----- ABM Treaty (Salt 1) and Protocol 1972
5/72 ----- SALT I (Strategic Arms Limitations Talks) agreement, in negotiation since 11/17/69, signed in Moscow by U.S. and USSR. In the area of defensive nuclear weapons, the treaty limited antiballistic missiles to 2 sites of 100 antiballistic missile launchers in each country (amended in 1974 to one site in each country). The treaty also imposed a 5-year freeze on testing and deployment of intercontinental ballistic missiles and submarine-launched ballistic missiles. An interim short-term agreement putting a ceiling on numbers of offensive nuclear weapons was also signed. SALT I was in effect until 10/77.
1974 ----- Peaceful Nuclear Explosions Treaty---Threshold Test Ban Treaty
7/74 ----- Protocol on antiballistic missile systems (ABM Treaty Revision) and a treaty and protocol on limiting underground testing of nuclear weapons (Threshold Test Ban Treaty) was signed by U.S. and USSR in Moscow.
11/74 ----- Vladivostok Agreement announced establishing the framework for a more comprehensive agreement on offensive nuclear arms, setting the guidelines of a second SALT treaty.
1977 ----- Environmental Modification Convention
9/77 ----- U.S. and USSR agreed to continue to abide by SALT 1, despite its expiration date.
6/79 ----- SALT II, signed in Vienna by the U.S. and USSR, constrained offensive nuclear weapons, limiting each side to 2,400 missile launchers and heavy bombers with that ceiling to apply until Jan. 1, 1985. The treaty also set a combined tolal of 1.320 ICBMs and SLBMs with multiple warheads on each side. Although approved by the U.S. Senate Foreign Relations Committee. the treaty never reached the Senate floor because Pres. Jimmy Carter withdrew his support for the treaty following the December 1979 invasion of Afghanistan by Soviet troops.
1981 ----- Inhumane weapons convention
11/81 ----- U.S. Pres. Ronald Reagan proposed his controversial zero option - to cancel deployment of new U.S. intermediate- range missiles in Western Europe in return for Soviet dismantling of comparable forces (600 SS 20, SS-4, and SS-5 missiles already stationed in the European part of its territory).
11/81 ----- Geneva talks on limiting intermediate nuclear forces based in and around Europe began.
5/82 ----- Ronald Reagan proposed 2-step plan for strategic arms reductions and announced that he had proposed to the USSR that START (Strategic Arms Reduction Talks) begin in June.
5/82 ----- Soviet Pres. Leonid Brezhnev rejected Reagan's plan as one-sided but responded positively to the call for arms reduction talks.
6/82 ----- START (Strategic Arms Reduction Talks) began in Geneva.
85-87 ----- Disarmament talks between the U.S. and the USSR in Geneva, Switzerland.
12/87 ----- I.N.F. (Intermediate-Range Nuclear Forces) Treaty signed in Washington, D.C. by USSR leader Mikhail Gorbachev and U.S. Pres. Ronald Reagan dismantaling all medium- and shorter-range nuclear missiles. Ratified with conditions by U.S Senate on May 27. 1988....bans all US/USSR ballistic missiles and U.S. GLCM w/ ranges b/t 500 and 5500 Kilometers and provides for the destruction of all such existing weapons (only cuts nuclear arsenals by 4%)
7/91 ----- Strategic Arms Reduction Treaty (START) signed, in Moscow, by Soviet Pres. Mikhail Gorbachev and U.S. Pres. George Bush to reduce strategic offensive arms by approximately 30 percent in three phases over seven years. START is the first treaty to mandate reductions by the superpowers. (The treaty entered into force in 12/94.)
1/93 ----- START II signed by Bush and Yeltsin calling for both sides to reduce long range nuclear arsenals by approximately 1/3 over the next decade and would entirely eliminate land-based multiple-warhead missiles. Action on START II must wait until START I enters into force and then START II must be approved by the US senate and the legislature of Russia.
5/95 ----- NPT indefinately extended by concensus vote.