The 69th New York Infantry, also known as the "Fighting 69th," was a regiment that served in the Union Army during the American Civil War. Formed in 1861, it was primarily composed of Irish-American soldiers and became famous for its bravery in battle. The regiment participated in several key engagements, including the Battle of Antietam and the Battle of Gettysburg. The 69th was part of the larger New York State Militia and was known for its strong sense of camaraderie and pride in its Irish heritage. The regiment's legacy continues to be honored, and it is associated with the Fighting 69th Infantry Regiment, which is still active today as part of the New York Army National Guard.