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1801
1850
Age: 49y
residencePolk, Iowa ⇓ Age: 48 1 Source ⇓ |
| 1850 • The USS Advance puts to sea from New York to search for John Franklin's Arctic expedition. |
1861
Oct 11
Age: 60y
| 1861 • The first remains of Archaeopteryx are discovered in Germany. |