December 16, 1944 began the massive advent of German troops on the Western Front. The Allies did not expect that Germany will gather exhausted fist of 250 thousand people and new technology.
The Germans hoped to repeat the success of breaking through the Ardennes Forest in 1940, but forces were very uneven, and the shortage of fuel and ammunition as never palpable. Will last one and a half months, the operation is losing momentum and returned to the initial boundaries, but Germany has been nothing to make up for the loss, and the Allies had opened the way to the Rhine.
Tanks. The Battle of Belgium