Holy Grail: Did you mean...?

Miniature portrait of Joseph II, Holy Roman Emperor (1741-1790), enamel painting by Adam Ludwig d'Argent, c. 1780. The Metropolitan Museum of Art, New York.

Matilda of Canossa (c. 1046-1115), the Countess of Tuscany (r. 1055-1115) and Vice-Queen of Italy (r. 1111-1115), was the final head of the noble House of Canossa following the deaths of her father in 1052 and her elder brother...

The Holy Roman Empire emerged from the fragmentation of the Carolingian world during the 9th and 10th centuries, as the eastern Frankish kingdom developed...

Between 1107 and 1254, ten crowned European monarchs personally led or joined major Crusades to the Holy Land. Their participation gave crusading...

The Christian doctrine of the Trinity (from the Latin trinus, meaning "threefold") professes that there is one God, but three eternal and consubstantial persons (aspects): the Father, the Son, and the Holy Spirit. The Father is the God...

Frederick II (l. 1194-1250 CE) was the king of Sicily (r. 1198-1250 CE), Germany (r. 1215-1250 CE), Jerusalem (r. 1225-1228 CE), and also reigned supreme as the Holy Roman Emperor (r. 1220-1250 CE). He was born in Jesi in 1194 CE...

Map of the Holy Roman Empire depicting its boundaries under the rule of Otto I in 972 CE and Conrad II in 1032 CE.

Map of the Holy Roman Empire depicting its boundaries following the Peace of Westphalia in 1648 CE.

A map illustrating the geography and history of Holy Island, also known as Lindisfarne. A tidal island off the northeast coast of England in Northumberland, it holds significant historical and religious importance...

Portrait of Leopold II, Holy Roman Emperor (l. 1747-92), wearing a field marshal's uniform. Painted in the workshop of Jean-Marc Nattier, c. 1790.