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🌐 Modern History

Nuclear Age

Atomic bomb changes warfare and science; energy and existential risk born together

1945 πŸ‡ΊπŸ‡Έ USA Modern History

🌐 Key Facts

1

Manhattan Project (1942–1945) β€” 130,000 people built the first atomic bomb

2

Hiroshima (6 Aug) and Nagasaki (9 Aug) 1945 β€” 200,000+ killed; Japan surrendered

3

Nuclear deterrence (Mutually Assured Destruction) defined Cold War geopolitics for 45 years

"Now I am become death, the destroyer of worlds" β€” Robert Oppenheimer at Trinity test

Quick Reference

Era

🌐 Modern History

Region

πŸ‡ΊπŸ‡Έ USA

Year

1945

Summary

Atomic bomb changes warfare and science; energy and existential risk born together