NUKES (<<---click for hyperlink)
and for just a brief moment in history, sanity reigned.
1945: USA drops atomic bombs on Hiroshima and Nagasaki--36 kilotons total
1954: USA detonates Castle Bravo on Bikini Atoll--15,000 kilotons
1961: USSR--Tsar Bomba--50,000 kilotons
1962: The superpowers regain their senses; Cuban Missile Crisis averted