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A genealogy of the Selwyn family
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 1729 - 1731 (1 years)
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Date |
Event(s) |
| 1 | 1729 | - 9 Nov 1729—9 Nov 1729: Treaty of Seville signed between Britain, France and Spain - Britain maintained
control of Port Mahon and Gibraltar
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| 2 | 1730 | |
| 3 | 1731 | - 1731—1731: Invention of seed drill by Jethro Tull [others say 1701]
- 1731—1731: Invention of sextant by John Hadley
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