Question: What is the infantry regiment that served in the Union Army during the American Civil War, that was also known as the 105th Infantry Regiment?
Sentence (from "105th Infantry Regiment (United States)"): The 105th fought as a part of the 27th Infantry Division during both World Wars, and was highly decorated for its actions during the Battle of Saipan, where its dogged defense against the largest Japanese Banzai charge of the war decimated its ranks, but prevented the American effort on the island from collapsing.
Relevant evidence: No