Today is Thursday, Dec. 6.
Today's Highlights in History:
1865: 13th Amendment
In 1865, the 13th Amendment to the U.S. Constitution, abolishing slavery, was ratified as Georgia became the 27th state to endorse it.
1884: Washington Monument
In 1884, Army engineers completed construction of the Washington Monument by setting an aluminum capstone atop the obelisk.
1907: Monongah, West Virginia
On Dec. 6, 1907, the worst mining disaster in U.S. history occurred as 362 men and boys died in a coal mine explosion in Monongah, West Virginia.
1923: Calvin Coolidge
In 1923, a presidential address was broadcast on radio for the first time as President Coolidge spoke to a joint session of Congress.
1947: Everglades National Park
In 1947, Everglades National Park in Florida was dedicated by President Harry S. Truman.
1957: Vanguard Rocket Explosion
In 1957, America's first attempt at putting a satellite into orbit failed as Vanguard TV3 rose about four feet off a Cape Canaveral launch pad before crashing down and exploding.
1973: Gerald R. Ford
In 1973, House minority leader Gerald R. Ford was sworn in as vice president, succeeding Spiro T. Agnew.
1982: Northern Ireland
In 1982, 11 soldiers and six civilians were killed when an Irish National Liberation Army bomb exploded at a pub in Ballykelly, Northern Ireland.
1989: University of Montreal Shooting
In 1989, 14 women were shot to death at the University of Montreal's school of engineering by a man who then took his own life.
1998: Hugo Chavez
In 1998, in Venezuela, former Lt. Col. Hugo Chavez (OO'-goh CHAH'-vez), who had staged a bloody coup attempt against the government six years earlier, was elected president.
2001: Christmas Tree
In 2001, President Bush dedicated the national Christmas tree to those who had died on Sept. 11 and to service members who had died in the line of duty.
2008: Anh "Joseph" Cao
Ten years ago: Indicted Democratic U.S. Rep. William Jefferson was ousted from his New Orleans area district in a special election won by Republican attorney Anh "Joseph" Cao, who became the first Vietnamese-American in Congress.
2008: Martha "Sunny" von Bulow
Ten years ago: Heiress Martha "Sunny" von Bulow, who'd spent the last 28 years of her life in a coma, died in New York City at age 76.
2013: Nelson Mandela
Five years ago: A day after Nelson Mandela's death at 95, South Africans of all colors erupted in song, dance and tears in emotional celebrations of the life of the man who had bridged the country's black-white divide and helped avert a race war.
2017: California Wildfires
One year ago: A wildfire erupted in the exclusive Bel-Air section of Los Angeles, the latest neighborhood of Southern California to find itself under siege from an outbreak of wind-driven blazes.
2017: Donald Trump Jerusalem
One year ago: President Donald Trump declared Jerusalem to be Israel's capital, defying warnings from the Palestinians and others around the world that he would be destroying hopes for Mideast peace.
2017: Vladimir Putin
One year ago: Russian President Vladimir Putin announced that he would seek re-election, putting him on track to become Russia's longest-serving ruler since Soviet dictator Josef Stalin.