In 1653, New Amsterdam - now New York City - was incorporated.
In 1848, the Treaty of Guadalupe Hidalgo, ending the Mexican-American War, was signed.
In 1870, the "Cardiff Giant," supposedly the petrified remains of a human discovered in Cardiff, N.Y., was revealed to be nothing more than carved gypsum.
In 1876, the National League of Professional Base Ball Clubs was formed in New York.
In 1897, fire destroyed the Pennsylvania capitol in Harrisburg. (A new statehouse was dedicated on the same site in 1906.)
In 1948, President Harry S. Truman sent a 10-point civil rights program to Congress, where the proposals ran into fierce opposition from southern lawmakers.
In 1959, public schools in Arlington and Norfolk, Va., were racially desegregated without incident.
In 1999, a federal jury in Portland, Ore., ordered abortion foes who had created "wanted" posters and a Web site listing the names and addresses of "baby butchers" to pay $107 million in damages. (Courts later reduced the judgment to more than $16 million; the U.S. Supreme Court has refused three times to hear an appeal by the defendants.)
In 2004, President George W. Bush unveiled a $2.4 trillion budget featuring a record deficit, as well as big increases for defense and homeland security. Deadly ricin was discovered in offices used by Senate majority leader Bill Frist.
In 2008, former Washington Redskins players Art Monk and Darrell Green were elected to the Pro Football Hall of Fame along with New England linebacker Andre Tippett, San Diego/San Francisco defensive end Fred Dean, Minnesota/ Denver tackle Gary Zimmerman and senior committee choice, Kansas City cornerback Emmitt Thomas.