(1819–64) Union army officer, born in Franklin, Pennsylvania. Hays was often cited for his courage in battle, particularly during the Peninsular Campaign (1862) and at Second Bull Run (1862), where he was severely wounded. A division under his command played a significant role in repulsing Pickett's Charge at Gettysburg (1863). Hays was killed when leading his brigade into the Battle of the Wilderness (1864).
From The Oxford Essential Dictionary of the U.S. Military in Oxford Reference.
Subjects: Warfare and Defence.