Pope Paul III Approves the Society of Jesus
On September 27, 1540, Pope Paul III approved the Society of Jesus, the religious order founded by Ignatius of Loyola.
Champollion Announces That He Has Deciphered Egyptian Hieroglyphs
On September 27, 1822, Champollion announced to the French Academy that he had deciphered Egyptian hieroglyphs.
Einstein Publishes the Paper That Introduces E=mc2
On September 27, 1905, Einstein's paper on mass and energy was published, introducing the relation E=mc squared.
The First Ford Model T Is Built at the Piquette Plant
On September 27, 1908, Ford built the first Model T at its Piquette plant in Detroit, beginning the age of the cheap car.
Rachel Carson's Silent Spring Is Published
On September 27, 1962, Rachel Carson published Silent Spring, which led to the ban on DDT and the modern environmental movement.