100% verified The same day, three eras.
13 August
Contemporary era
1961
Construction of the Berlin Wall
On 13 August 1961, East Germany began building the Berlin Wall.
Sources and verification (1)
- Encyclopaedia Mur de Berlin (Wikipedia) Wikipedia. 4/5
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Contemporary era
1913
Invention of stainless steel
On 13 August 1913, Harry Brearley cast the first stainless steel in Sheffield.
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- Encyclopaedia Acier inoxydable (Wikipedia) Wikipedia. 4/5
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From the Middle Ages to the Enlightenment
1521
Fall of Tenochtitlan
On 13 August 1521, Cortes captured Tenochtitlan, ending the Aztec Empire.
Sources and verification (1)
- Encyclopaedia Siege de Tenochtitlan (Wikipedia) Wikipedia. 4/5