Memory Game Cold War Key EventsOnline version Cold War Key Events by Daniel Yoder Truman Doctrine Informal declaration of the Cold War identifying that there was a conflict between the Communist East and Democratic West Berlin Blockade Built in 1961 in order to stop defections from East Germany to the West. Berlin Wall Military Alliance of the Western Powers in the Cold War Eastern European military alliance. Iron Curtain Speech Tried to become democratic in 1956 only to have Soviet tanks roll in and stop the revolution. Berlin Airlift Soviet plan to help rebuild the economies of Eastern Europe. Response to the Marshall Plan in the West. Marshall Plan Warsaw Pact Hungary Aid to help rebuild European economies in order to ward off communism. Money had to be spent on American goods. An attempt to get the Americans to give up their influence over West Berlin by not allowing goods into the city. NATO Molotov Plan American response to the Berlin Blockade. Aid provided to nations resisting communism. First to receive aid were Turkey and Greece.