1953, Year

1953 (MCMLIII) was a common year starting on Thursday of the Gregorian calendar, the 1953rd year of the Common Era (CE) and Anno Domini (AD) designations, the 953rd year of the 2nd millennium, the 53rd year of the 20th century, and the 4th year of the 1950s decade.
 * January 7 – United States President Harry S. Truman announces the United States has developed a hydrogen bomb.
 * The CIA -sponsored Robertson Panel first meets, to discuss the UFO phenomenon.
 * The Soviet Union breaks diplomatic relations with Israel, after a bomb explosion at the Soviet Embassy, in reaction to the 'Doctors' plot'.
 * February 13 – Transsexual Christine Jorgensen returns to New York, after successful sex reassignment surgery in Denmark.
 * April 25 – Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids : A Structure for Deoxyribose Nucleic Acid", their description of the double helix structure of DNA.
 * May 25 – Nuclear testing: At the Nevada Test Site, the United States conducts its only nuclear artillery test: Upshot-Knothole Grable.
 * Soviet prime minister Georgi Malenkov announces that the Soviet Union has a hydrogen bomb.
 * Soviet atomic bomb project: "Joe 4", the first Soviet thermonuclear weapon, is detonated at Semipalatinsk Test Site, Kazakh SSR.
 * October – The UNIVAC 1103 is the first commercial computer to use random-access memory.[8]
 * October 30 – Cold War: U.S. President Dwight D. Eisenhower formally approves the top secret document of the United States National Security Council NSC 162/2, which states that the United States' arsenal of nuclear weapons must be maintained and expanded to counter the communist threat.
 * The Douglas D-558-2 Skyrocket, piloted by Scott Crossfield, becomes the first manned aircraft to reach Mach 2.
 * Many abduction stories across the globe surface and all are openly dismissed as fake and lunatic stories.
 * Saran / Vrill tensions rise.
 * Vrill committ to massive military built up and their TL appears to be equal or slightly superior to other civilizations in the region.

The use of nuclear artillery becomes again subject during the United Earth epoch