Edward Teller died in Stanford, California, at the age of 95. He had suffered a stroke two days prior and had been experiencing age-related health conditions.

The Ivy Mike test, the first successful detonation of a thermonuclear weapon based on the Teller-Ulam design, took place at the Eniwetok Atoll in the Pacific Proving Grounds. The device yielded 10.4 megatons. Teller himself did not attend the test.