100% verified The same day, three eras.
23 December
Contemporary era
1947
Invention of the transistor
On 23 December 1947, Bell Labs demonstrated the first transistor.
Sources and verification (1)
- Encyclopaedia Transistor (Wikipedia) Wikipedia. 4/5
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Contemporary era
1888
Van Gogh cuts off his ear
On 23 December 1888, the painter Vincent van Gogh cut off part of his ear in Arles.
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- Encyclopaedia Vincent van Gogh (Wikipedia) Wikipedia. 4/5
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From the Middle Ages to the Enlightenment
1690
Flamsteed observes Uranus
On 23 December 1690, John Flamsteed observed Uranus, mistaking it for a star.
Sources and verification (1)
- Encyclopaedia John Flamsteed (Wikipedia) Wikipedia. 4/5