http://www.onwar.com/chrono/1941/dec41/f31dec41.htm
Philippines forces form new defense line
Wednesday, December 31, 1941 www.onwar.com
American defense line on the Bataan peninsulaIn the Philippines... American and Filipino forces form a new defense line north of the Bataan Peninsula, on Luzon.
On the Eastern Front... The Soviet winter offensive continues, though without a breakthrough. The Soviet armed forces have now suffered at least 5,000,000 casualties, 3,000,000 prisoners, 20,000 tanks and 30,000 guns destroyed. Even so they remain capable of resisting the German-led Axis invasion.
From the United States... General Brett takes command of US forces in Australia.