1614
Dec 26
| 1614 • Scottish mathematician John Napier publishes Mirifici Logarithmorum Canonis Descriptio (Description of the Admirable Table of Logarithms), outlining his discovery of logarithms and incorporating the decimal mark. Astronomer Johannes Kepler soon begins to employ logarithms in his description of the solar system. |
1640
Age: 24y
marriagePieter Quackenbosch 2 Sources ⇓ |
| 1640 • 13 – Siege of Galle: Dutch troops take the strategic fortress at Galle on Sri Lanka from the Portuguese. |
1646
Age: 30y
birth of childMaritje Pieterse Quackenbosch 2 Sources ⇓ |
| 1646 • Massachusetts enacts the death penalty for having a rebellious child. |
1653
Age: 37y
| 1653 • 13 – First Anglo-Dutch War – Battle of the Gabbard: The English navy defeats the Dutch fleet, which loses 17 ships. |
1682
Dec 27
Age: 68y
| 1682 • René-Robert Cavelier, Sieur de La Salle, exploring rivers in America, reaches the mouth of the Mississippi River. |