800 Coronation of Charlemagne as Holy Roman Emperor, in Rome.
881 Pope John VIII crowns Charles the Fat, the King of Italy: Emperor
962 ''Translatio imperii'': Pope John XII crowns Otto I, Holy Roman Emperor, the first Holy Roman Emperor in nearly 40 years.
982 Holy Roman Emperor Otto II is defeated by the Saracens in the battle of Capo Colonna, in Calabria
996 Sixteen-year-old Otto III is crowned Holy Roman Emperor.
1026 Pope John XIX crowns Conrad II as Holy Roman Emperor.
1039 Henry III becomes Holy Roman Emperor.
1111 Henry V is crowned Holy Roman Emperor.
1186 Henry VI, the son and heir of the Holy Roman Emperor Frederick I, marries Constance of Sicily.
1227 Frederick II, Holy Roman Emperor, is excommunicated by Pope Gregory IX for his failure to participate in the Crusades.
1268 Conradin, the last legitimate male heir of the Hohenstaufen dynasty of Kings of Germany and Holy Roman Emperors, is executed along with his companion Frederick I, Margrave of Baden by Charles I of Sicily, a political rival and ally to the hostile Roman Catholic church.
1438 Albert II of Habsburg becomes Holy Roman Emperor.
1530 At the Diet of Augsburg the Augsburg Confession is presented to the Holy Roman Emperor by the Lutheran princes and Electors of Germany.
1539 Treaty of Toledo signed by King Francis I of France and Holy Roman Emperor Charles V.
1548 The city of Nuestra Senora de La Paz (Our Lady of Peace) was founded by Captain Alonso de Mendoza by appointment of the king of Spain and Holy Roman Emperor, Charles V.
1556 Departing from Vlissingen, ex-Holy Roman Emperor Charles V returns to Spain.
1637 Ferdinand III becomes Holy Roman Emperor.
1742 Charles VII Albert becomes Holy Roman Emperor.
1806 Francis II, the last Holy Roman Emperor, abdicates ending the Holy Roman Empire.