Week 2

Korean War 1950 

Hydrogen bomb is created/ arms race 1952 

The United States tested the first Hydrogen bomb on Ethiwetok atoll in the Pacific. Test game the 

United States a short-lived advantage in the nuclear arms race with the soviet union. Because the 

Soviet Union were successful in atomic device the United States accelerated its program 

Warsaw Pact 1955 

Was created in response to the creation of NATO focused on the objective of creating a coordinated 

defense among its member nations. East Germans built a wall to separate East and West Berlin. 

De-Stalinization 1957 

Khrushchev denounced Stalin for jailing and killing loyal citizens. His speech signaled the start

of a policy called de-stalinization, or purging the country of Stalin's memory. Khrushchev called for 

"Peace competition" with capitalist states. But this new change did not change life in the satellite

countries. 

Sputnik 1957 

The Soviet Union launched Sputnik, the world’s first artificial satellite. Visible with binoculars

before sunrise or after sunset, Sputnik transmitted radio signals back to Earth strong enough to be

picked up by amateur radio operators. The Soviet space program went on to achieve a series of

other space firsts in the late 1950s and early 1960s: first man in space, first woman, first three

men, first space walk, first spacecraft to impact the moon, first to orbit the moon, first to impact

Venus, and first craft to soft-land on the moon. However, the United States took a giant leap

ahead in the space race in the late ’60s with the Apollo lunar-landing program, which

successfully landed two Apollo 11 astronauts on the surface of the moon.

U-2 incident 1960 

Berlin Wall 1961