Turning the Tide at Gettysburg

One hundred and fifty years ago, the United States was saved at the Battle of Gettysburg. At most of the decisive points of the battle, it was soldiers from Maine that stopped the Rebel army in its tracks. While Joshua Chamberlain and his 20th Maine Regiment are perhaps the most well known, in fact eleven infantry and cavalry regiments, plus three artillery batteries and a company of sharpshooters...