27 December
1941: The Red Army continues its counter-offensive in the Kalinin area 100 miles NW of Moscow.
source:
http://www.feldgrau.com/december.html
1941: Prime Minister Curtin announces that 'Australia looks to America'. - Once the United States entered the Second World War and the United Kingdom's weakness in South East Asia had been exposed the United States became Australia's main ally; a situation that would endure long after the war ended.
1943: 7th Division capture 'The Pimple', Shaggy Ridge, New Guinea - The four-month battle for Shaggy Ridge culminated with the capture of this Japanese position on the ridge's summit.
source:http://www.awm.gov.au/atwar/thismonth/index.asp
1918 - Beginning of Great Poland Uprising, the Poles in Greater Poland (or Grand Duchy of Poznań) rise against the Germans.
source:
http://en.wikipedia.org/wiki/27_December
1780: Americans raid Hammonds Store - American Brigadier General Daniel Morgan detaches a force of approximately 275 troops commanded by Colonel William Washington to destroy a force of 250 British Loyalists under the command of Colonel Thomas Waters, who had been terrorizing Patriots in the vicinity of Fairforest Creek, on Bush River, South Carolina.
1864: Hood's army crosses the Tennessee River - The broken and defeated Confederate Army of Tennessee finishes crossing the Tennessee River as General John Bell Hood's force retreats into Mississippi.
1942: Germans form the Smolensk Committee to enlist Soviet soldiers - German military begins enlisting Soviet POWs in the battle against Russia. General Andrei Vlasov, a captured Soviet war hero turned anticommunist, was made commander of the renegade Soviet troops.
1966: A United States and South Vietnamese joint-service operation takes place against one of the best-fortified Viet Cong strongholds, located in the U Minh Forest in the Mekong Delta, 125 miles southwest of Saigon.
1969: In the fiercest battle in six weeks, U.S. and North Vietnamese forces clash near Loc Ninh, about 80 miles north of Saigon. Elements of the 1st Infantry Division reported killing 72 of 250 North Vietnamese soldiers in a daylong battle. Loc Ninh, a village of fewer than 10,000 people, was located at the northern limit of national Route 13, only a few miles from the Cambodian border. It was the site of several major battles between U.S. and Communist forces. On April 5, 1972, as part of their Easter Offensive, North Vietnamese forces overtook Loc Ninh during their attempt to capture the An Loc provincial capital to the south.
Source:
http://www.historychannel.com/tdih/