Parents
Spouse
Children
1774
Jul 31
| 1774 • The element oxygen is discovered for the third (and last) time – the second quantitatively following the somewhat earlier work of Carl Wilhelm Scheele (1771–1772) – by Joseph Priestley, who publishes the fact in 1775 and so names the element and usually gets all the credit. |
1796
Age: 21y
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marriageJames Summerville Greensburg, Westmoreland County, Pennsylvania, USA ⇓ 2 Sources ⇓ |
| 1796 • Tennessee is admitted as the 16th U.S. state. |
1808
Apr 28
Age: 33y
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birth of childJoseph Summerville Pennsylvania, USA ⇓ 3 Sources ⇓ |
| 1808 • Charles IV of Spain abdicates in favor of his son, Ferdinand VII. |
1826
Dec 26
Age: 52y
| 1826 • 15 – The Auspicious Incident: Mahmud II, sultan of Ottoman Empire, crushes the last mutiny of janissaries in Istanbul. |