Blood and Iron is a modification for Napoleonic wars set mainly between 1870 and 1880. The aim is to accurately represent the era while creating a fun and balanced mod. The mod features 3 main factions, Prussia, France, and Great Britain, as well as units from several other nations including the USA, Sweden, Austria, Russia, and more.
One of the Best mods for Warband out there, if you are unsure yes it does Require the Napoleonic Wars Expansion. This is a fantastically researched and executed mod originally focused on the Franco - Prussian War of 1871 the mod is in ongoing evolution, and recently added in Great Britain as a new faction to play as, this is a great insight into the possibilities of Napoleonic wars. Also Shotguns!