"Gettysburg National Military Park, Pennsylvania" by Frederick Tilberg is a historical account written in the mid-20th century. This book serves as an informative guide detailing one of the most pivotal battles of the American Civil War, which took place in July 1863. The focus lies on the military strategies, significant events, and aftermath of the Battle of Gettysburg, including the enduring legacy of the site as a National Military Park. The content of the book elaborates on the strategic movements of both the Confederate and Union armies leading up to, during, and after the three-day battle. It outlines the specific phases of the battle, including the confrontations on each day, the key figures involved, and how the Union ultimately secured victory. Tilberg also addresses the aftermath, including Lincoln's famous Gettysburg Address at the dedication of a cemetery for the fallen soldiers, reinforcing the importance of the site in American history. Through maps and vivid descriptions, the book invites readers to grasp the human experience behind military tactics and the enduring significance of the battlefield as a place of remembrance for sacrifice and dedication to the nation. (This is an automatically generated summary.)