2. The Tsar Bomba (1961)
On October 30, 1961, the Soviet Union detonated the Tsar Bomba, the largest man-made nuclear device ever tested, yielding approximately 50 megatons of TNT. The explosion’s shockwave circled the globe three times, and the fireball was visible over 620 miles away. Tsar Bomba’s sheer destructive force remains unmatched in weapon history. For more details, you can refer to the BBC’s coverage of the event. (bbc.com)



