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Iron Curtain
Winston Churchill gives his "Iron Curtain" speech, describing the dividing effect of the Soviet actions -
Truman Doctrine
the Truman Doctrine is announced, designed to oppose the spread of communism through economic and military aid -
Marshall Plan
the United States launches the Marshall Plan, helping Western Europe make a quicker recovery through economic aid -
Soviet Blockade
the Soviets block off all possible routes to West Berlin, depriving residents of necessary supplies in hopes that the West would be forced to leave Berlin -
Berlin Airlift
Western leaders organize the Berlin airlift to provide West Berlin with needed supplies by air -
NATO
the United States, Canada, and most Western European countries form NATO, or the North Atlantic Treaty Organization, as a military alliance -
Hydrogen Bombs
the United States is successful in the creation of the first hydrogen bomb, but less than a year later the Soviet Union tests their own -
Warsaw Pact
the Soviet Union and many Eastern European countries create their own alliance, the Warsaw Pact -
NASA
NASA is formed in response to the Soviet Union's launch of Sputnik, the first artificial satellite -
Bay of Pigs
the U.S. secretly trained about 1,500 Cubans who had fled Castro's regime, who came ashore but were quickly defeated at Cuba's Bay of Pigs -
Cuban Missile Crisis
confrontation between the United States and Soviet Union began over Soviet nuclear weapons located in Cuba. Soviets removed the missiles when the U.S. agreed to remove their own missiles from Turkey -
Test Ban Treaty
both sides were convinced it was important to make some progress in arms control, resulting in the signing of the Test Ban Treaty, which outlawed testing in the atmosphere, outer space, and underwater -
Apollo 11
the United States successfully makes the first manned moon landing with Apollo 11, manned by Neil Armstrong, Buzz Aldrin, and Michael Collins -
NPT
the Nuclear Non-Proliferation Treaty was created to support disarmament, nonproliferation, and peaceful uses of nuclear energy -
INF Treaty
the Intermediate-Range Nuclear Forces, or INF, treaty called for elimination of certain types of missiles. this treaty helped in the repair of the tense relationship of the United States and Soviet Union