The Battle of the Bulge is considered the largest and bloodiest single battle fought during WWII.
It's estimated that more than 1 million Allied troops fought in the Battle of the Bulge, including 500,000 Americans. The Battle of the Bulge is considered the largest and bloodiest single battle fought during WWII. More than 19,000 U.S. soldiers died during that winter, and more than 70,000 were wounded or went missing.