"The Holy Roman Empire (Latin: Imperium Romanum Sacrum, German: Heiliges Römisches Reich, Italian: Sacro Romano Impero) was a varying complex of lands[1] that existed from 962 to 1806 in Central Europe. It grew out of East Francia, one of the primary divisions of the Frankish Empire. Its character changed during the Middle Ages and the Early Modern period, when the power of the emperor gradually weakened in favour of the princes. In its last centuries,...