Today is Thursday, Dec. 6, the 340th day of 2018. There are 25 days left in the year.
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.
On this date:
In 1865, the 13th Amendment to the U.S. Constitution, abolishing slavery, was ratified as Georgia became the 27th state to endorse it.
In 1884, Army engineers completed construction of the Washington Monument by setting an aluminum capstone atop the obelisk.
In 1917, some 2,000 people were killed when an explosives-laden French cargo ship, the Mont Blanc, collided with the Norwegian vessel Imo at the harbor in Halifax, Nova Scotia, setting off a blast that devastated the Canadian city. Finland declared its independence from Russia.
In 2001, The House of Representatives, by a one-vote margin, gave President George W. Bush more power to negotiate global trade deals.
Today's birthdays: Actress JoBeth Williams is 70. Actor Tom Hulce is 65. Rock musician Peter Buck is 62. Actress Janine Turner is 56. Actress Colleen Haskell is 42. Actress Lindsay Price is 42. Actress Christian rock musician Jacob Chesnut is 29. Tennis player CoCo Vandeweghe is 27. Football quarterback Johnny Manziel is 26.