Answer:
Late in the afternoon of July 2, 1863, on a boulder-strewn hillside in Late in the afternoon of July 2, 1863, on a boulder-strewn hillside in southern Pennsylvania, Union Colonel Joshua Lawrence Chamberlain , Union Colonel Joshua Lawrence Chamberlain dashed headlong into history, leading his 20th Maine Regiment in perhaps the most famous counterattack of the Civil War.
(southern Pennsylvania)