Return to Daily IQ 1788Constitution ratifiedThe U.S. Constitution went into effect when New Hampshire became the 9th state to ratify it. 1527 Italian statesman, diplomat, and author of “The Prince,” Niccolo Machiavelli died. 1834 Cyrus McCormick's mechanical reaper was patented. 1964 Three civil rights workers—James E. Chaney, 21; Andrew Goodman, 21; and Michael Schwerner, 24—disappeared in Philadelphia, Miss. In 2005, 41 years after the disappearance, Edgar Killen was convicted of their murders. 1982 John Hinckley was found not guilty by reason of insanity for the attempted murder of President Ronald Reagan. 1989 The U.S. Supreme Court decided that burning the U.S. flag was protected under the First Amendment. 1997 The WNBA made its debut. 2004 Michael Melvill pilots the first privately-developed spacecraft,SpaceShipOne, into space. Yesterday Return to Daily IQ Tomorrow or choose another day: JanFebMarAprMayJunJulAugSepOctNovDec Today's Birthday or select month and date: JanFebMarAprMayJunJulAugSepOctNovDec Year by Year: 1900?2014 or enter a year: Enter a year: ?