THE COLD WAR

The 20 sources are:
1. Photograph of German children watching 20 tons of flour being unloaded from a USAF airplane during the Berlin Airlift (1948)
2. Photograph of German children playing with toy American aircraft, simulating supply planes landing in western Berlin during the Berlin Airlift (1948)
3. Photograph depicting the 38th parallel, the dividing line between communist North Korea and the anti-communist South Korea (1950)
4. Photograph of Julius and Ethel Rosenberg (1951)
5. Example of anti-Communist propaganda during the 1950s – specifically targeting the entertainment industry
6. Cartoon of Fidel Castro (1959)
7. Photograph of Soviet leader Nikita Khrushchev viewing the wreckage of the American U-2 aircraft shot down by the Soviets (1960)
8. Photograph of the seven Project Mercury astronauts – first U.S. astronauts chosen as the U.S. and the Soviet Union competed in the space race – 1960
9. Photograph of U.S. President John F. Kennedy and Soviet Premier Nikita Khrushchev during Vienna Summit (1961)
10. Map of the United States used by President Kennedy and his advisors during the Cuban Missile Crisis; it shows the potential range of missiles shot from Cuba (1962)
11. Photograph of Cuban soldiers near anti-aircraft guns during the Cuban Missile Crisis – 1962
12. Photograph of members of the peace activist group Women Strike for Peace hold signs regarding the Cuban Missile Crisis (1962)
13. Photograph of teletype machine set up as a "hotline" between the Kremlin and the White House in the aftermath of the Cuban Missile Crisis (1963)
14. Photograph of U.S. Marine escorting a Viet Cong suspect near Da Nang Air Base in Vietnam (1965)
15. Propaganda leaflet urging Viet Cong and North Vietnamese soldiers to defect to the government of Vietnam (circa 1965–1971)
16. Photograph of U.S. hostages held in Iran for 444 days returning to the United States (1981)
17. Photograph of President Ronald Reagan delivering a televised speech about the Strategic Defense Initiative (1983)
18. Photograph of people atop the Berlin Wall near the Brandenburg Gate as wall came down in 1989
19. Satellite photograph of Berlin with a yellow line showing where the Berlin Wall once stood (2002)
20. Photograph of remains of the Iron Curtain in the Czech Republic (2007)