2 1945The Cold War begins after WWII when the Soviet Union tried to expand its influence around the world, and the United States tried to protect non- communist governments.The United States first uses the Atomic Bomb in War on Hiroshima.
3 1946 Winston Churchill delivers the “Iron Curtain speech” One of its main tasks was to restrict people inhabiting the communist area from traveling outside and to restrict the information flow in it, from the non-communist world.
4 1947Truman Doctrine is adopted when the nations of Greece and Turkey were threatened by Communist expansion Congress granted 400 million to fight the guerrillas.Secretary of State George C Marshall calls on European Nations to draft a plan for European economic recovery. The “Marshall Plan” gave aid to nations so they would not have to rely on Communist’s government.
5 1948Stalin begins the Berlin Blockade. He blocks all highways, rivers and rail traffic into West Berlin to force the Western powers out of Berlin.The Western allies responded with the Berlin Airlift
6 1949North Atlantic Treaty Organization (NATO) is established including the countries Belgium, Canada, Denmark, France, Great Britain, Iceland, Italy, Luxembourg, Netherlands, Norway, Portugal, and United States (Later Greece, Spain, Turkey and West Germany)Berlin blockade endsSoviet Union explodes an atomic bomb during testing
7 North Korean troop surprise South Korea and invade their territoryPeace treaty with Japan is signed, the US keeps military their for defense of JapanUS exploded a hydrogen bomb at Marshall IslandsEisenhower is elected US President
8 1953-1954 Korean War ends KGB established CIA of US helps overthrow unfriendly regime in Iran and Guatemala
9 1955Warsaw Pact was formed in response to NATO being formed. It was a military alliance with the Soviet Union, Albania, Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, and Rumania.
10 1957Soviet Union launches Sputnik, the first satellite to orbit the Earth. This showed their strength in the “Space Race.”
11 1958-1959 US launches Explorer I satellite into orbit Khrushchev becomes Soviet PremierNASA is established in the USFidel Castro takes over CubaSoviet spacecraft crashes on the moon
12 1960-1961 John F Kennedy elected President of the US Soviet Yuri Gagarin is the first man to orbit the EarthBay of Pigs invasionAlan Shepard makes a suborbital flight in a capsuleBerlin border closed and wall construction begins
13 1962 John Glenn is the first American to orbit the Earth. Cuban Missile Crisis when the US has air and sea blockade of Cuba because photos of Soviet missile bases that were being built in Cuba.US makes threats to invade Cuba if the bases are not taken apart because US says if a nuclear attack launched from Cuba they would consider it a Soviet attack and would require full retaliation.Khrushchev removes weapons from Cuba and US removes missiles from Turkey
14 1963-1964 President Kennedy is assassinated President Johnson orders retaliation in the Gulf of Tonklin for attacks on US destroyersKhrushchev is ousted and replaced by Brezhnev and Kosygin
15 1965-1969 US Marines go ashore in Vietnam US troops go to Dominican Republic to prevent another Communist stateApollo 11 lands on the moon
16 Nuclear weapon treaty between US and Soviet Union prevents transfer of nuclear weapons to non nuclear nationsKent State protests of Vietnam WarNixon extends Vietnam war to CambodiaNixon and Brezhnev sign détente agreements which relaxes tensions and opens economic marketsUS bombing on North Vietnam intensifiesCease fire with North Vietnam and the US
17 1975-1982 North Vietnam defeats South Vietnam Shah of Iran overthrown US leaves CambodiaUS and Soviet astronauts link up in spaceSALT II agreement signed limiting long range missiles by both President Carter and BrezhnevUSSR invades Afghanistan and US has sanctions against them with grains, and decreased scientific and cultural exchanges.1980 Moscow Olympic games boycotted by US
18 President Reagan proposes Strategic Defense initiative called Star Wars to intercept enemy missilesUS troop overthrow regime in GrenadaTerrorist attack on US Marines in LebanonUS and USSR agree to new negotiations on nuclear and space issues
19 1986-1987 Gorbachev ends economic aid to Soviet satellites Reagan and Gorbachev remove all intermediate nuclear missiles from EuropeReagan and Gorbachev agree to remove all medium and short range nuclear missiles by signing treaty
20 1989 Soviet troops withdraw from Afghanistan China puts down protests for democracyPoland becomes independentHungary becomes independentBerlin Wall fallsCommunist governments fall in Czechoslovakia, Bulgaria, and RumaniaSoviet empire ends
21 1990-1991 Boris Yeltsin elected president of Russia Germany reunited Warsaw Pact endsEnd of Soviet Union Cold War Ends