In a test called "Ivy Mike," the world's first hydrogen bomb explodes on Enewetak Atoll, November 1, 1952. Nuclearweaponarchive.org He wasn’t supposed to do it, but on May 15, 1948, Lieutenant ...

On November 1, 1952, the US tested Ivy Mike over the Marshall Islands. Ivy Mike was the world's first hydrogen bomb and had a yield of 10.4 megatons, almost 700 times stronger than the bombs used ...