Mount & Blade: Warband is primarily a medieval game, several mods and a standalone expansion successfully transition the gameplay into the 17th century, a period defined by "Pike and Shot" warfare, early firearms, and major European conflicts like the Thirty Years' War. Top 17th Century Mods and Overhauls The Deluge
Here is why this era works so well with Warband’s mechanics: mount and blade warband 17th century mod