Harvey focused mainly on mechanics of blood flow in the human body. Harvey published his famous "Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus" at the age of 50. Observing the notion of the heart in living animals, he was able to detect that systole was the active phase of the heart's movement, pumping out the blood by its muscular contractions.
Why Is It Important?
Helps in health situations.
New Amsterdam is given permission to form its own city government.
The Anglo-Dutch War begins in July.
England passes the Navigation Act that forbid goods to be imported from the colonies to England in non-English ships or from locations other than where they were produced. Caused supply shortages hurting colonies and eventually leads to the Anglo-Dutch which lasts from 1652-1654.