- March 6, 1953: Joseph Stalin dies, paving the way for a new leadership of the Soviet Union
- April 1953: The Vietminh invade Laos, underpinning the Domino theory 
- April 16, 1953: President Eisenhower delivers his “chance for peace” speech, identifying the Soviet Union as the sole threat to the USA
- June 19, 1953: The Rosenberg's are executed in the USA for passing on atomic secrets to the Soviet Union.
- July 27, 1953: The Korean War ends with Armistice Agreement leaving a divided Korea and a Communist stronghold in the North
- August 12, 1953: The Soviet Union test their first hydrogen (thermonuclear) bomb
- September 7, 1953: Nikita Khruschev becomes new Premier of the USSR. His chief opponent Lavrentiy Beria is executed.
- December 6, 1953: President Eisenhower delivers the “Atoms for Peace” before the United Nations to warn the world and the American people of a protracted Cold War with the Soviet Union. “The Eisenhower administration wanted to address simultaneously the increased levels of fear domestically while responding strategically to the Soviets' scientific and military advancements.”
Transits in the SAMVA USA chart
 The Soviets explode first H-Bomb on August 12, 1953
 Wikipedia: Mutually Assured Destruction