“The history of the twentieth century should have taught us that it is important to shape circumstances before crises emerge, and to meet threats before they become dire,” reads the Statement of Principles for the Project for the New American Century, June 3, 1997. Among the signatories were Dick Cheney, Francis Fukuyama, Dan Quayle, Donald Rumsfeld, Paul Wolfowitz, and Jeb Bush—but not George W.

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. 

“Why is life a perpetual preparation for something that never happens?” W.B. Yeats asked in his journal, September 16, 1909.

“Six days, six weeks. I doubt six months,” said Donald Rumsfeld, on February 7, 2003, about the duration of the Iraq war. “Whatever happens in Vietnam, I can conceive of nothing except military victory,” Dwight D. Eisenhower said in 1967. Four years before that, Robert McNamara asserted, “The war in Vietnam is going well and will succeed.”

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.