Planck's quantum hypothesis
1900 · Work
Max Planck proposes that energy is quantised, founding quantum theory - one of the two pillars of modern physics alongside relativity.
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- German unification (1871)
- Luther's 95 Theses (1517)
- Holy Roman Empire (962)
- Peace of Westphalia (1648)
- Hitler's rule of Germany (1933)
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- Fall of the Berlin Wall (1989)
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Around 1900
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- Pop music: the 1910s (1910)
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