Today in History: December 13

Today in History
Today is Tuesday, Dec. 13, the 348th day of 2016. There are 18 days left in the year.
Today’s Highlight in History:
On Dec. 13, 1981, authorities in Poland imposed martial law in a crackdown on the Solidarity labor movement. (Martial law formally ended in 1983.)
On this date:
In 1642, Dutch navigator Abel Tasman sighted present-day New Zealand.
In 1769, Dartmouth College in New Hampshire received its charter.
In 1862, Union forces led by Maj. Gen. Ambrose Burnside launched