-
150
Ptolemy Writes The Almagest
(Around 150) Ptolemy writes probably one of his most important books, The Almagest. -
230
Death of Aristarchus
(230 BC) Aristarchus of Samos, the ancient Greek anstronomer and mathematician, dies. -
236
Eratosthenese Becomes Chief Librarian
(236 BC) Eratosthenese moves to Alexandria and becomes the Chief Librarian at the Great Library of Alexandria. -
270
Aristarchus; The Earth Revolves Around the Sun!
(Approximately around 270 BC) Aristarchus believed the Earth revolved around the Sun, not the other way around. -
276
Birth of Eratosthenese
(276 BC) Eratosthenese of Cyrene, Greek mathematician, geographer, poet, athlete, astronomer, music theorist, and third chief librarian of the Great Library of Alexandria, was approximately born. -
310
Birth of Aristarchus
(310 BC) Aristarchus of Samos, the ancient Greek anstronomer and mathematician, was born. -
360
Birth of Hypatia
(350-370) Hypatia, a Greek Neoplatonist philosopher, was born. -
370
Death of Democritus
(370 BC) Democritus, an Ancient Greek philosopher, dies. -
400
Hypatia, Head of the Platonist School at Alexandria
As head of the Platonist school at Alexandria, Hypatia taught also philosophy and astronomy, along with imparting the knowledge of Plato and Aristotle to her pupils. -
415
Death of Hypatia
Hypatia, a Greek Neoplatonist philosopher, dies. -
460
Birth of Democritus
(460 BC) Democritus, an Ancient Greek philosopher, was born. -
530
Pythagoras Founds Pythagoreanism
Pythagoras moves to Croton and sets up a religious sect, named Pythagoreanism. -
570
Birth of Pythagoras
(570 BC) Pythagoras of Samos, Ionian Greek philosopher, mathematician, and founder of the religious movement Pythagoreanism, was born. -
Feb 14, 1473
Birth of Copernicus
Nicolaus Copernicus, Renaissance astronomer, was born. -
Jan 1, 1503
Copernicus Awarded A Degree
Copernicus is awarded the Doctor of Canon Law degree at the University of Ferrara. -
Dec 27, 1517
Birth of Kepler
Johannes Kepler, the German mathematician, astronomer, and astrologer, was born. -
May 24, 1543
Death of Copernicus
Nicolaus Copernicus, Renaissance astronomer, dies. -
Feb 15, 1564
Birth of Galileo
Galileo Galilei, Italian physiciast, mathematician, astronomer, and philosopher, was born. -
Kepler Wrote "Somnium"
Kepler wrote "Somnium" (or "The Dream", in English) around the time span of 1620-1630. -
Death of Kepler
Johannes Kepler, German mathematician, astronomer, and astrologer, dies. -
Galileo Moves Back to Florence
Galileo has permission to move back to his home in Florence, so he may be closer to the medical attention he need. -
Death of Galileo
Galileo Galilei, Italian physicist, mathematician, astronomer, and philosopher, dies. -
Birth of Ptolemy
(90) Claudius Ptolemy, the mathematician, astronomer, geographer, astronomer, and poet, was born, -
Death of Eratosthenese
(195 BC) Eratosthenese of Cyrene, Greek mathematician, geographer, poet, athlete, astronomer, music theorist, and third chief librarian of the Great Library of Alexandria, approximately died. -
Death of Pythagoras
(495 BC) Pythagoras of Samos, Ionian Greek philosopher, mathematician, and founder of the religious movement Pythagoreanism, dies. -
Death of Ptolemy
Claudius Ptolemy, the mathematician, astronomer, geographer, astronomer, and poet, dies. -
Democritus' Discovery of the Atomic Theory
The approximate date of Democritus' discovery of the Atomic Theory.