100% verified The same day, three eras.
13 March
Contemporary era
1930
Discovery of Pluto announced
On 13 March 1930, the Lowell Observatory announced Clyde Tombaugh's discovery of Pluto.
Sources and verification (1)
- Encyclopaedia Pluton (Wikipedia) Wikipedia. 4/5
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Contemporary era
1881
Assassination of Alexander II
On 13 March 1881, Tsar Alexander II of Russia was killed by a bomb in Saint Petersburg.
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- Encyclopaedia Alexandre II (Wikipedia) Wikipedia. 4/5
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From the Middle Ages to the Enlightenment
1781
Discovery of Uranus
On 13 March 1781, astronomer William Herschel discovered the planet Uranus.
Sources and verification (1)
- Encyclopaedia Uranus (Wikipedia) Wikipedia. 4/5