The 83rd Pennsylvania Infantry suffered the second highest number of battle deaths of all the Union regiments, in every theater, throughout the course of the Civil War. Nevertheless, this hardy and determined unit was able to overcome loss, defeat and heartache through their enduring defense and preservation of the Union line during the pivotal battle of Gettysburg. This book offers the first-ever comprehensive history of the 83rd Pennsylvania. It combines official war records, personal remembrances of veterans of the regiment, information derived from opposing Confederates, and secondary sources to produce a remarkable story of leadership, endurance, hardship and triumph.