Mark Twain was born on November 30, 1835—two weeks after the perihelion of Halley’s Comet. “I came in with Halley’s Comet,” Mark Twain commented in 1909. “It is coming again next year. The Almighty has said, no doubt, ‘Now there are these two unaccountable freaks; they came in together, they must go out together.’” He died on April 21, 1910—one day after the comet had once again reached its perihelion. 

In 1963, having left bread, butter, and milk for her sleeping children, Sylvia Plath stuck her head inside an oven. In 1974, having turned on her car in a closed garage, waiting for the carbon monoxide to kill her, Anne Sexton sat and drank vodka.

“Have reserved two tickets for my first night. Come and bring a friend, if you have one,” wired George Bernard Shaw to Winston Churchill, referring to Pygmalion’s premiere. “Impossible to come to first night. Will come to second night, if you have one,” Churchill wired back.

To rival the 1,063-foot-tall Eiffel Tower, nearly twice the height of the Washington Monument, planners of the Chicago Exposition of 1893 presented the Ferris Wheel, which was 264 feet tall. While the wheel was slowly spinning, Frederick Jackson Turner delivered a paper in which he proclaimed the end of the frontier phase of American history.

“Where were you last night?” Yvonne asks Rick Blaine, played by Humphrey Bogart, in Casablanca. “That’s so long ago, I don’t remember.” Her follow-up: “Will I see you tonight?” To which he replies, “I never make plans that far ahead.”