Martin Luther King, Jr. Federal Holiday (US)
Happy Birthday! Buzz Aldrin
1885 - The roller coaster was patented by L.A. Thompson.
1942 - Nazi officials held the Wannsee conference, during which they arrived at their "final solution" that called for exterminating Europe's Jews.
1981 - Iran released 52 Americans that had been held hostage for 444 days. The hostages were flown to Algeria and then to a U.S. base in Wiesbaden, West Germany. The release occurred minutes after the U.S. presidency had passed from Jimmy Carter to Ronald Reagan.
1986 - The U.S. observed the first federal holiday in honor of slain civil rights leader Martin Luther King Jr.
1997 - Bill Clinton was inaugurated for his second term as president of the United States.
1999 - The China News Service announced that the Chinese government was tightening restrictions on internet use. The rules were aimed at 'Internet Bars.'