Battle of the Bulge: Why were the Allies Surprised? November 24, 2021 Unipro2013main History, World War Two, WW2 Why were the Allies Surprised? Look at the reasons why the Allies were surprised by the German attack in the Ardennes, better known as the Battle of the Bulge. Credit to : Military History Visualized Please support our Sponsors - Or Buy an Item from our Catalog