2011: The Cleveland Cavaliers suffer their 24th consecutive setback—a 111-105 loss to the Portland Trail Blazers—setting an NBA single-season record for consecutive defeats.
2009: American swimmer Michael Phelps, a 14-time Olympic gold medalist, is suspended from competing for three months by USA Swimming after a British tabloid publishes a photo of him inhaling from a marijuana pipe at a party three months earlier.
1958: Just after midnight on this day, two U.S. Air Force planes collide over the Georgia countryside, one of them carrying an 11-foot-7-inch-long, Mk 15 Mod 0 thermonuclear weapon with a design power at least 60 times the Hiroshima bomb. Before making an emergency landing at Hunter Air Force Base outside Savannah, the commander of the H-bomb toting B-47 jettisons the 7,600-pound weapon, which falls into the Atlantic Ocean near Tybee Island, Georgia. Today, the lost Mk 15 remains underwater, less than 20 miles from downtown Savannah.
1952: The first Don't Walk signs are installed on New York City streets, the local government's response to an increasing number of motor vehicle vs. pedestrian accidents.
1937: U.S. president Franklin D. Roosevelt proposes enlarging the Supreme Court under a reorganization plan that would allow him to appoint a new justice for every sitting judge age 70 or older. Designed to make the Court more supportive of reform legislation, the plan is foiled by legislators that want to keep Roosevelt from selecting new justices.
1897: During the 1897 session of the Indiana General Assembly the House passes a bill 67-0 to change the value of Pi to a round number. The wording of Engrossed House Bill No. 246 (aka the Indiana Pi bill) is vague, but it appears the legislature intended to make Pi equal to 3.2 or perhaps an even 3. On February 12, 1897, the Indiana Senate indefinitely postpones voting on the bill.