1687
Aug 7
| 1687 • Isaac Newton's Philosophiæ Naturalis Principia Mathematica, known as the Principia, is published by the Royal Society of London. In it, Newton describes his theory of universal gravitation, explains the laws of mechanics and gives a formula for the speed of sound. The writing of Principia Mathematica ushers in a tidal wave of changes in thought, significantly accelerating the scientific revolution by providing new and practical intellectual tools and becomes the foundation of modern physics. |
1706
Oct 9
Age: 19y
|
marriageIsaac Van Deusen Albany, New York, USA ⇓ 2 Sources ⇓ |
| 1706 • Concluding that Emperor Iyasus I of Ethiopia has abdicated by retiring to a monastery, a council of high officials appoint Tekle Haymanot I Emperor of Ethiopia. |
1722
Sep 23
Age: 35y
|
birth of childTryntje Van Deusen Albany, New York, USA ⇓ Isaac Van Deusen is present at the baptism of John McCagg and Tryntje Van Deusen's youngest daughter, Elisabeth. John McCagg and Tryntje Van Deusen and their family are referenced in the book "Abraham Van Deusen and many of his descendants" on pages 115 and 116. 2 Sources ⇓ |
| 1722 • Peter the Great of Russia creates the Table of Ranks. |