Context : ``The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to First Lieutenant John W. Blunt, United States Army, for extraordinary heroism on 19 October 1864, while serving with Company K, 6th New York Cavalry, in action at Cedar Creek, Virginia. First Lieutenant Blunt voluntarily led a charge across a narrow bridge over the creek, against the lines of the enemy.'' 
Subject : John W. Blunt 
Relation : conflict
In which war did John W. Blunt participate?