MORE EVENTS ON THIS DAY

2011: Amid a popular uprising —part of a wave of pro-democracy protests known as the Arab Spring—Yemeni President Ali Abdullah Saleh effectively ended his rule by signing an agreement that transferred power to the vice president; Saleh officially left office three months later. [Test your knowledge of Yemen.]

1990: British author Roald Dahl—who was best known for his irreverent children's books, which included James and the Giant Peach (1961) and Charlie and the Chocolate Factory (1964)—died in Oxford, England. [Take our quiz about classic children's books.]

1963: The first episode of the British science-fiction television series Doctor Who aired, and the show became a landmark of British popular culture. [ Sort fact from fiction in our pop culture quiz.]

1946: At least 6,000 Vietnamese civilians were killed in a French naval bombardment of the port city of Haiphong.

1936: The first issue of Life was published, and the magazine later became a pioneer in photojournalism and one of the major forces in that field's development. [ Sort fact from fiction in our quiz about magazines.]

1935: Lincoln Ellsworth landed on Ellsworth Land, Antarctica, and claimed it for the United States, a claim the U.S. government has never taken up. [Sort fact from fiction in our Antarctica quiz.]