In December 1944 the German military made its final attempt to end the Second World War by throwing in all its reserves in a desperate attempt to shatter the Allied lines. After breaking through the American-held sector in the Ardennes, two Panzer armies headed for the bridges over the River Meuse. However, a combination of poor planning, bad weather, tortuous terrain and, above all, the determined defence of keys towns and villages delayed the advance. The Allies were able to hold the northern and southern shoulders of the attack, hemming the Germans in. The Bulge had been created, and as the fortunes of battle were reversed, the Allies struck back.In Battle of the Bulge 1944–45, historian Andrew Rawson gives a clear, concise account of those dramatic days at the end of 1944, supported by a timeline of events and orders of battle. If you want to understand what happened and why – read on.