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1614
| 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. |
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Age: 34y
1648
Age: 34y
birth of childMary Willey 2 Sources ⇓ |
| 1648 • France and the Netherlands agree to divide the Caribbean island of Saint Martin between them. |
1685
Age: 71y
| 1685 • October 19 – Louis XIV issues the Edict of Fontainebleau, which revokes the Edict of Nantes and declares Protestantism illegal, thereby depriving Huguenots of civil rights. |