The Hawker F.36/34, the prototype of the Hurricane, makes its first flight. It is the first Royal Air Force monoplane fighter and the first to exceed 300 mph. During the Battle of Britain in 1940, Hurricane pilots would carry the brunt of the fighting.
The U.S. began extensive air and artillery strikes against Islamic State group targets in Syria on Dec. 19 in retaliation for the killing of three Americans on Dec. 13 by a gunman affiliated with ISIS, U.S. officials said.

