On this day in 1512, Michelangelo's paintings on the ceiling of the Sistine Chapel are exhibited to the public, a day too early as it turns out, as visitors are splattered with dripping paint.
On this day in 1765, the Stamp Act debuts, and American critics pan it mercilessly. "Oppressive!" says The Times.
On this day in 1952, the United States explodes the first hydrogen bomb at Eniwetok in the Marshall Islands; later, scientists celebrate at a big fireworks display (see above).
On this day in 1991, Clarence Thomas takes his place as the newest justice on the U.S. Supreme Court, according to video store rental receipts.