Final answer:
The battle referred to, where Patton's Third Army relieved Bastogne on December 26, 1944, is the Battle of the Bulge. This battle was a significant and strategically crucial campaign during World War II.
Step-by-step explanation:
The battle you're referencing when Patton's Third Army relieved Bastogne on December 26, 1944, is known as the Battle of the Bulge. This battle took place during World War II, from December 16, 1944 to January 25, 1945. It was the largest and bloodiest single battle fought by the United States in World War II. The city of Bastogne was a strategic location in this battle because it was located at a road network crucial for transportation, and was hence heavily surrounded and attacked by the Germans. Patton's Third Army was able to break through the siege and provide relief to the defenders of the city.
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