This Day in History

Construction of St. Peter's Basilica Begins (1506)
With a capacity of over 60,000 people, St. Peter's Basilica is the one of the world's largest churches as well as one of the world's holiest Catholic sites. Begun by Pope Julius II in 1506 and completed more than a century later, it was built to replace Old St. Peter's, erected by Constantine over Peter's traditional burial site. Michelangelo and Bernini were among its many architects, and a number of their masterpieces adorn its interior. Why is St. Peter's not considered a cathedral? Discuss

Ill-Fated Apollo 13 Spacecraft Returns to Earth Safely (1970)
Less than a year after the first lunar landing, Apollo 13 departed for the moon. Two days into the mission, an oxygen tank exploded, severely damaging the spacecraft's electrical system, and the landing had to be aborted. Despite limited power, loss of cabin heat, a shortage of potable water, and the need to improvise a carbon dioxide removal system, the craft returned safely to Earth. The immortal line from the mission—"Houston, we have a problem"—is a misquote. What was actually said?

Tensions between US and USSR First Described as "Cold War" (1947)
Lasting from the end of WWII until 1991, the Cold War was a period of political hostility and military tension between the Western powers, primarily the US and its allies, and the Communist bloc. Although there were a number of military conflicts during this time, including the Berlin Blockade, the Korean War, the Vietnam War, and the Cuban Missile Crisis, the Cold War was waged mainly on political, economic, and propaganda fronts. Who first used the term "Cold War" to describe the conflict?