The Hagia Sophia Is Completed (537 CE)

Distinguished by its size and rising succession of domes, the Hagia Sophia is the supreme masterpiece of Byzantine architecture. First a church, later a mosque, and now a museum, it was designed under Justinian I by Anthemius of Tralles and Isidorus of Miletus and completed in less than six years. Its combination of a longitudinal basilica with a main building was wholly original in the sixth century, as was its use of pendentives. The Hagia Sophia stands on the site of what earlier structure? Discuss

The Ku Klux Klan Is Formed (1865)

The Ku Klux Klan is the name of two distinct secret societies that played a part in American history. The first Klan was an organization that thrived in the South during the Reconstruction period following the Civil War. The second was a nationwide organization that flourished after World War I. Subsequent groups calling themselves the Ku Klux Klan sprang up in much of the South after World War II and in response to civil-rights activity during the 1960s. How did the Ku Klux Klan gets its name? Discuss

Rutan Voyager Completes First Nonstop Flight around the World without Refueling (1986)

Piloted by Dick Rutan and Jeana Yeager, who first conceived of the craft and sketched it on the back of a napkin in 1981, the Rutan Voyager was the first aircraft to fly around the world without stopping or refueling. It took off from Edwards Air Force Base in the Mojave Desert on December 14, 1986, and landed there nine days later. The aircraft more than doubled the previous record of un-refueled flight set by a US Air Force B-52 in 1962. How much does the Rutan Voyager weigh? Discuss

Snow White and the Seven Dwarfs Premieres (1937)

Snow White was the first full-length animated feature film in history. It was animated entirely by hand and took Walt Disney and his studio three years to complete. It was exponentially more expensive than the animated shorts the studio had produced until that time and met with considerable opposition. Disney eventually had to mortgage his house to help finance the project, which was derisively nicknamed “Disney’s Folly” by those in the film industry. How much did the film go on to earn? Discuss

South Carolina Becomes the First State to Secede from the US (1860)

In the 1830s, South Carolina residents, frustrated by agricultural tariffs, broached the possibility of secession. Tariff reform appeased them for some time, but following the election of President Abraham Lincoln in 1860, South Carolina seceded from the Union. The state’s governor immediately demanded all federal property within the state, including Fort Sumter. The firing on Sumter by Confederate batteries in 1861 precipitated the Civil War. When was the US flag raised over Fort Sumter again? Discuss

A Christmas Carol Is Published (1843)

English novelist Charles Dickens wrote many books and stories about Christmas. His first, the beloved A Christmas Carol, was written in just weeks, reputedly to meet the expenses of his wife’s fifth pregnancy. An instant success, it has since been adapted countless times for theater and film. The last name of the story’s protagonist, Ebenezer Scrooge, has even entered the English lexicon as a word meaning a mean-spirited, miserly person. What allegedly inspired Dickens to write the story? Discuss

Saturn's Moon Epimetheus Is Discovered (1966)

Epimetheus, a nonspherical body measuring about 89 mi (144 km) by 67 mi (108 km) by 61 mi (98 km), is one of Saturn’s 48 confirmed natural satellites. It was discovered in 1966 and photographed in 1980 by the Voyager 1 probe. Epimetheus and another moon, Janus, are co-orbital, meaning that they share nearly the same orbit. About every fourth year, the lower, faster satellite overtakes the other and is boosted into the higher orbit. After what mythological figure is Epimetheus named? Discuss

Massachusetts Colonists Protest Tax with the Boston Tea Party (1773)

In 1773, American colonists led by Samuel Adams dressed as Native Americans and threw hundreds of chests of tea from three British ships into Boston Harbor. The action was taken to prevent the payment of a British tax on tea and to protest the British monopoly of the colonial tea trade authorized by the Tea Act. In retaliation, Parliament passed the Intolerable Acts, which further united the colonies against the British. What American founding father called for the cost of the tea to be repaid? Discuss

Gone with the Wind Premieres in Atlanta, Georgia (1939)

American writer Margaret Mitchell only published one novel during her lifetime—Gone with the Wind—and it became one of the most popular novels in the history of American publishing. In 1939, an extraordinarily successful film version of the book was released, transferring the romantic, panoramic portrait of the Civil War and Reconstruction periods in Georgia to the big screen. The movie won 10 Academy Awards. Why did the film’s leading man, Clark Gable, threaten to boycott the premiere? Discuss

The Dayton Agreement Is Signed in Paris, France (1995)

The Dayton Agreement was a peace agreement that put an end to the Bosnian War that began in 1992. The accord was the result of a meeting between Bosnian, Croatian, and Serbian leaders under US auspices in Dayton, Ohio. It called for a Bosnian republic with a central government and two semiautonomous regions roughly equal in size—one dominated by Serbs and the other by Bosniaks and Croats in federation. Later signed in Paris, the accord also provided for the dispatch of what military force? Discuss