This was a turning point in post World War 2 Europe.
This is where things really got heated between the Soviets and the US.
October 4, 1957
This is where the US and Soviets had an intense rivalry about space and who can get the farthest first. Soviets started with the lead with Sputnik 1, however when the kept competing it actually brought them together and made the International Space Station.
U-2 Reconnaissance Plane
May 1, 1960
This is where the US's CIA had a plane trying to spy on the Soviets and the Soviets shot it down and this lead to an embarrassing conference between US and Soviets. (Embarrassing for the US)
Bay of Pigs
April 17, 1961
This where the US tried to invade Cuba but failed miserably, this embarrassed the US.
Reagan visits the Wall
August 12, 1961
This when Reagan visited the Berlin Wall, this showed continued commitment to the people of West Berlin.
Cuban Missile Crisis
This was the the closest to the US and the Soviets actually fighting. This includes nuclear warfare also.
Strategic Arms Limitation Talks
This was one of the first steps to slow the arms race
Soviets invade Afghanistan
The US and the Soviets each back a different side and this led to the US boycotting the 1980 Olympics.
November 9, 1989
This where East and west Germany reunited, East Germany was no longer Communist, and this was evidence that the War Saw Pact's days were numbered.