about
1812
| 1812 • Napoleon authorizes the usage of Mesures usuelles, the basis of the Metric System. |
1846
Feb 1
Age: 34y
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birth of childMary Ann Lamb Scotland ⇓ 2 Sources ⇓ |
| 1846 • Prince Osahito, fourth son of deceased Emperor Ninko of Japan, becomes Emperor Kōmei. |