article: Holy Roman Empire
links: Pope Western Europe Holy Roman Empire Peace of Westphalia House of Habsburg Early modern period Italian language Battle of Austerlitz French language Yiddish Slovene language Central Europe Otto I, Holy Roman Emperor List of popes Europe Charlemagne Sorbian languages Lutheranism East Francia Pier Gerlofs Donia Dutch language Polish language Pope Leo III Latin Lotharingia Frisian people Romansh language Ancient Rome Prague Middle Ages Regensburg Western Roman Empire Roman Catholicism Vienna Low German Frisian languages Conrad II, Holy Roman Emperor Peace of Augsburg Prince Francis II, Holy Roman Emperor Calvinism German language Otto the Great Francia Holy Roman Emperor Dynasty Czech language West Francia Wijerd Jelckama