Collection of facts about the Holy Roman Empire

This post is a collection of facts about the Holy Roman Empire (800 - 1806 AD). There are 14 facts listed below.

• Occupied Germany, Czechia, Austria, Netherlands, Switzerland, Slovenia, Luxembourg, eastern France, northern Italy and western Poland
• Monarch elected by prince-electors
• Charlemagne crowned Emperor of the Romans by Pope Leo III (800 AD)
• Otto I crowned Emperor of the Romans (962 AD)
• Investiture Controversy (11th - 12th centuries)
• Concordat of Worms (1122)
• Renamed from 'Roman Empire' to 'Holy Roman Empire' (1254)
• Renamed to 'Holy Roman Empire of the German Nation' (1512)
• Peace of Augsburg (1555)
• Thirty Years' War (1618-1648)
• Peace of Westphalia (1648)
• Battle of Vienna (1683)
• Conquered by Napoleon (1806)
• Succeeded by Confederation of the Rhine