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Jan 1, 1553
Theory About Pulmonary Blood Circulation
Michael Servetus proposed a new theory about the pulmonary circulation of the blood. He was later found guilty of heresy and burned at the stake. -
Jan 1, 1561
Discovery of Fallopian Tubes
In 1561 Gabriel Fallopio announced his discovery of the Fallopian tubes in his Anatomical Observations. -
Jan 1, 1582
Reform of the Julian Calendar
Pope Gregory XIII suggested reform of the Julian calendar. This lead Catholic Europe away from the Julian calendar -
Use of Decimals
In 1585 Simon Stevin proposed the use of decimals in mathematics. -
Discovery of Tobacco
Thomas Harriot travels to America and discusses its wonders, among them tobacco. He wrote about it in a Brief and True Report of the New Found Land of Virginia -
Invention of the Telescope
In 1608 he telescope is invented in the Netherlands. It employed a convex objective lens and a concave eyepiece. -
Improvements to the Telescope
Johannes Kepler's Dioptrics analyzes optical refraction and proposes a practical means to improve the Galilean telescope. -
The Assayer is Published
In 1623 Galileo published his strategic essay, The Assayer where he argues against Aristotle and the Scholastics in favor of mathematical and experimental methods. -
Rudolphine Tables
Johannes Kepler published the Rudolphine Tables. The tables were based on Tycho's data and his own laws of planetary motion. He provided the most accurate astronomical tables up to that time. -
Detailed Descriptions of the Moon
A much more detailed description with illustrations of the surface features of the Moon is given by Johannes Hevelius. -
Issac Newtons Telescope
In 1669 Isaac Newton builds his first reflecting telescope. The design included an eyepiece and a concave mirror. -
First Public Museum
In 1683 The Ashmolean Museum (Oxford) is established as the first public museum in England by Elias Ashmole. -
Third and Fourth Satellites of Saturn
In 1684 Gian Domenico Cassini observes the third and fourth satellites of Saturn (Dione and Thetys) -
Mathematical Principles of Natural Philosophy
In 1687 Isaac Newton's Mathematical Principles of Natural Philosophy proposes foundational principles for what has come to known as classical mechanics -
Calculus Textbook
In 1696 the first Calculus written by Marquis de L'Hopital was published