100% verified The same day, three eras.
9 December
Contemporary era
1968
The Mother of All Demos
On 9 December 1968, Douglas Engelbart demonstrated the mouse and the graphical interface in a historic presentation.
Sources and verification (1)
- Encyclopaedia The Mother of All Demos (Wikipedia) Wikipedia. 4/5
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Contemporary era
1854
Publication of The Charge of the Light Brigade
On 9 December 1854, Tennyson published his poem The Charge of the Light Brigade.
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- Encyclopaedia Alfred Tennyson (Wikipedia) Wikipedia. 4/5
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From the Middle Ages to the Enlightenment
1531
Apparitions of Our Lady of Guadalupe
On 9 December 1531, the apparitions of the Virgin of Guadalupe began in Mexico.
Sources and verification (1)
- Encyclopaedia Notre-Dame de Guadalupe (Wikipedia) Wikipedia. 4/5