1950
April 7: NSC-68 finalised in US: advocates a more active, military, policy of containment and causes a large increase in defence spending.
June 25: Korean War begins.
October 24: Pleven Plan approved by France: rearmed West German soldiers to be part of a European Defence Community (EDC).
1951
April 18: European Coal and Steel Community Treaty signed (The Schuman Plan).
1952
March 10: Stalin proposes a united, but neutral, Germany; rejected by the West.
May 27: European Defence Community (EDC) treaty signed by Western nations.
1953
March 5: Stalin dies.
June 16-18: Unrest in the GDR, suppressed by Soviet troops.
July: Korean War ends.
1954
August 31: France rejects the EDC.
1955
May 5: FRG becomes a sovereign state; joins NATO.
May 14: Eastern Communist nations sign the Warsaw Pact, a military alliance.
May 15: State Treaty between forces occupying Austria: they withdraw and make it a neutral state.
September 20: GDR recognised as a sovereign state by USSR. FRG announces the Hallstein Doctrine in response.
1956
February 25: Khrushchev begins De-Stalinization by attacking Stalin in a speech at 20th Party Congress.
June: Unrest in Poland.
October 23 November 4: Hungarian Uprising crushed.
1957
March 25: Treaty of Rome signed, creating the European Economic Community with the Federal Republic of Germany, France, Italy, Belgium, the Netherlands and Luxembourg.
1958
November 10: Start of Second Berlin crisis: Khrushchev calls for a peace treaty with the two German states to settle borders and for Western nations to leave Berlin.
November 27: The Berlin Ultimatum issued by Khrushchev: Russia gives West six months to solve Berlin situation and withdraw their troops or it will hand East Berlin over to East Germany.
1959
January: Communist government under Fidel Castro set up in Cuba.
1960s
1960
May 1: USSR shoots down US U-2 spy plane over Russian territory.
May 16-17: Paris Summit closes after Russia pulls out over U-2 affair.
1961
August 12/13: Berlin Wall built as east-west borders closed in Berlin and GDR.
1962
October November: Cuban Missile Crisis brings world to brink of nuclear war.
1963
August 5: Test Ban treaty between UK, USSR and US limits nuclear testing. France and China reject it and develop their own weapons.
1964
October 15: Khrushchev removed from power.
1965
February 15: US begins bombing of Vietnam; by 1966 400,000 US troops are in the country.
1968
August 21-27: Crushing of Prague Spring in Czechoslovakia.
July 1: Non-Proliferation Treaty signed by UK, USSR and US: agree not to assist non-signatories in gaining nuclear weapons.
November: Brezhnev Doctrine Outlined.
1969
September 28: Brandt becomes Chancellor of FRG, continues policy of Ostpolitik developed from his position as Foreign Minister.
1970s
1970
Start of Strategic Arms Limitation Talks (SALT) between US and USSR.
August 12: USSR-FRG Moscow Treaty: both recognise each others territories and agree to only peaceful methods of border change.
December 7: Warsaw Treaty between FRG and Poland: both recognise each others territories, agree to only peaceful methods of border change and increased trade.
1971
September 3: Four Power Treaty on Berlin between US, UK, France and USSR over access from West Berlin to FRG and relation of West Berlin to FRG.
1972
May 1: SALT I treaty signed (Strategic Arms Limitations Talks).
December 21: Basic Treaty between FRG and GDR: FRG gives up Hallstein Doctrine, recognises GDR as sovereign state, both to have seats at UN.
1973
June: Prague Treaty between FRG and Czechoslovakia.
1974
July: SALT II negotiations begin.
1975
August 1: Helsinki Agreement/Accord/Final Act signed between US, Canada and 33 European States including Russia: states the inviolability of frontiers, gives principles for state peaceful interaction, co-operation in economics and science as well as humanitarian issues.
1976
Soviet SS-20 medium range missiles stationed in Eastern Europe.
1979
June: SALT II treaty signed; never ratified by the US Senate.
December 27: Soviet invasion of Afghanistan.

