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 • The first university in Finland, the Academy of Åbo, is founded in Turku. |
1646
Age: 30y
birth of childMaritje Pieterse Quackenbosch 2 Sources ⇓ |
| 1646 • Poet Anne Bradstreet becomes a founding mother of Andover Parish (now North Andover) Massachusetts. |
1653
Age: 37y
| 1653 • John Thurloe becomes Cromwell's head of intelligence. |
1682
Dec 27
Age: 68y
| 1682 • The reign of Peter the Great officially begins in Russia. |