The island of Eugelab in Eniwetok atoll ceased to exist.
The first hydrogen bomb "Ivy Mike" was tested in 1952.
hbomb (hydrogen bomb)
Post WWII, Russians tested a hydrogen bomb. It was first deployed in 1960.
The US program began in 1950 and tested its first device in 1952 and tested a deliverable bomb in 1954. The USSR program began in 1950 and tested a deliverable but limited bomb in 1953 and tested a full scale deliverable bomb in 1955.
The 50 Megaton "Tsar Bomba" hydrogen bomb tested by the USSR in 1961 is the strongest hydrogen bomb ever detonated. The 10 Megaton "Ivy Mike" hydrogen bomb tested by the U.S. in 1952 is the physically largest hydrogen bomb ever detonated.
The hydrogen bomb is the most powerful bomb ever tested.
The US tested a nondeliverable prototype device in 1952The USSR tested a deliverable but limited bomb in 1953 (this would not be considered a hydrogen bomb now, instead a boosted fission bomb)The US tested a deliverable bomb in 1954The USSR tested a deliverable bomb in 1955
The hydrogen ball was tested on August 12, 1953.
Hydrogen bomb
The bomb based on the design by Edward Teller and Stanilaw Ulam was first proposed in 1951, and tested in 1952. The first practical H-bomb (thermonuclear explosive) was built in 1954.
1945 was the first year that a Nuclear bomb was successfully tested then used in combat.
The first hydrogen bomb tested by the US was codenamed "Mike" and tested in the Marshall Islands.