100% verified The same day, three eras.
11 May
Contemporary era
1997
Deep Blue beats Kasparov
On 11 May 1997, IBM's computer Deep Blue defeated world chess champion Garry Kasparov.
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- Encyclopaedia Deep Blue (Wikipedia) Wikipedia. 4/5
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Contemporary era
1812
Assassination of PM Perceval
On 11 May 1812, Spencer Perceval became the only British prime minister to be assassinated.
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- Encyclopaedia Spencer Perceval (Wikipedia) Wikipedia. 4/5
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Antiquity
330
Inauguration of Constantinople
On 11 May 330, Emperor Constantine inaugurated Constantinople as the new capital of the Roman Empire.
Sources and verification (1)
- Encyclopaedia Constantinople (Wikipedia) Wikipedia. 4/5