Final answer:
Alvin York achieved his remarkable feat during World War I in the Meuse-Argonne offensive, specifically in the Argonne Forest. His actions involved sniping enemy soldiers, charging some with his pistol, and capturing a large number of prisoners.
Step-by-step explanation:
The remarkable feat achieved by Alvin York during World War I took place in the Meuse-Argonne offensive. York, a soldier of the United States Army, displayed incredible marksmanship skills and bravery by sniping 17 enemy soldiers and charging 7 more with his pistol. He then captured a staggering 132 prisoners. His actions took place in the Argonne Forest and contributed significantly to the eventual success of the offensive.