Sabaton

Sabaton is a power metal band from Falun, Sweden formed in 1999. The band's main lyrical themes are historical wars. This is heard in albums Primo Victoria, Attero Dominatus and Coat of Arms where all of the songs, except final tracks, take inspiration from historical battles or war. Lyrical content drawn from World War I, World War II and other conflicts is prevalent and includes songs about battles and leaders on all sides of said conflicts.

source: Wikipedia