On July 21, 2011, NASA’s space shuttle program completes its final, and 135th, mission, when the shuttle Atlantis lands at Kennedy Space Center in Florida.

On July 21, 2007, the seventh and final Harry Potter novel, Harry Potter and the Deathly Hallows, is released, with an initial print run of 12 million copies in the United States alone.

Breakthrough in Particle Physics: Scientists Confirm Existence of Tau Neutrino After Two Decades of Research

Soviet Mars 4: A Failed Mission That Returned Pioneering Data from the Red Planet

Aswan High Dam: Egypt's Powerhouse Boosting Agriculture and Economy Since 1970

Apollo XI: The Historic Launch from the Moon That Changed Humanity Forever

On July 21, 1960, the German government passes the “Law Concerning the Transfer of the Share Rights in Volkswagenwerk Limited Liability Company into Private Hands,” known informally as the “Volkswagen Law.

Pioneering Use of Ultrasound in Medical Diagnosis Saves Woman Misdiagnosed with Cancer

President Dwight D. Eisenhower presents his “Open Skies” plan at the 1955 Geneva summit meeting with representatives of France, Great Britain and the Soviet Union.

Historic 1946 Test: Jet Aircraft Successfully Lands on Aircraft Carrier USS Franklin D. Roosevelt