Holy Roman Empire (Principia Moderni III Map Game)

The Holy Roman Empire (Latin: Imperium Romanum Sacrum, German: Heiliges Römisches Reich, Italian: Sacro Romano Impero, Czech: Svatá říše římská, Slovene: Sveto rimsko cesarstvo, Dutch: Heilige Roomse Rijk, French: Saint-Empire romain germanique) is a political union of territories in central Europe functioning as a military alliance.