What Happened on December 21, 2021 - On This Day
www.onthisday.com › date › 2021Dec 21, 2021 · 2021 December 21 Historical Events Major breakthrough in development of nuclear fission energy when experiment produces 59 megajoules of energy over five seconds at JET Laboratory, UK (reported Feb 2022) [1] Famous Deaths (Wilbert) Billy Davis, American tennis player (11 x American Tennis Association Titles), dies of congestive heart failure at 91
What Happened on December 21, 2021 - On This Day
2021 December 21 Historical Events Major breakthrough in development of nuclear fission energy when experiment produces 59 megajoules of energy over five seconds at JET Laboratory, UK (reported Feb 2022) [1] Famous Deaths (Wilbert) Billy Davis, American tennis player (11 x American Tennis Association Titles), dies of congestive heart failure at 91