March 9th

Space Shuttle Discovery completes its final mission. The shuttle touched down at Kennedy Space Center in Florida after its journey to the International Space Station (ISS).
Space Shuttle retirement
Dr. Antonia Novello was sworn in as both the first Hispanic and woman to be U.S. surgeon general.
Antonia Novello
The deadliest cable car accident in history occurs in Italy. 43 people died when the cable car plunged 160 ft (50 meters) to the ground after the steel cable had snapped. 14-year-old Alessandra Piovesana was the only survivor.
Cavalese cable car disaster (1976)
U.S. Supreme Court issued N.Y. Times v. Sullivan ruling.
New York Times Co. v. Sullivan
Ivan Ivanovich, a human dummy, travels into space. On its test flight on board the Soviet spacecraft Korabl-Sputnik 4 (also known as Sputnik 9), the mannequin was accompanied by a dog, reptiles, mice, and guinea pigs.
Ivan Ivanovich (Vostok programme)
The Barbie doll goes on sale. The American toy company Mattel claims that more than one billion Barbie dolls have been sold so far, with about 3 dolls being sold every second.
Barbie doll
The special session of Congress known as the "100 days" opened, launching FDR's New Deal.
New Deal
The electron microscope is invented. German physicist Ernst Ruska is credited with the invention of the microscope. His first instrument allowed a resolution of 50 nanometers (billionths of a meter).
Electron microscope
Russian Bolshevik Party becomes the Communist Party.
Communist Party of the Soviet Union
The first battle between two ironclad ships, the Monitor (Union) and Merrimack (Confederate) occurred, revolutionizing naval warfare.
Battle of Hampton Roads
The Supreme Court ruled that the Amistad slaves were free.
United States v. The Amistad
Napoleon Bonaparte married Josephine de Beauharnais, widow of a former French officer executed during the revolution.
Joséphine de Beauharnais
Publication of the influential economics book "The Wealth of Nations" by Adam Smith.
The Wealth of Nations
Martin Luther begins preaching his "Invocavit Sermons" in the German city of Wittenberg, reminding citizens to trust God's word rather than violence and thus helping bring to a close the revolutionary stage of the Reformation.
List of Latin phrases (full)