Holy grail: Did you mean...?

Illustration of an enthroned Lothar I, Holy Roman Emperor (r. 840-855), King of Middle Francia (Lotharingia) and Italy (r. 843-855). Copied by G.W. Hutin, 1821, from a 9th-century manuscript of the Gospels. The British Museum, London.

Boniface cuts down holy oak of 'Jupiter' or Donar.

Illustration of an enthroned Charles the Bald, Holy Roman Emperor (r. 875-877 CE), King of West Francia (r. 843–877) and Italy (r. 875–877). Copied by G.W. Hutin, 1821, from a 9th-century manuscript of the Gospels. The British Museum, London...

Stained glass from St Etheldreda's church in Ely Place, London.

Guinevere is the Queen of Britain, wife of King Arthur, and lover of Sir Lancelot in the Arthurian Legends best known in their standardized form from Sir Thomas Malory's Le Morte D'Arthur (1469 CE). She first appears in Geoffrey of Monmouth's...

The Peace of Westphalia, the name given to the multiple treaties, marked the conclusion of the Thirty Years' War. Signed on 24 October 1648, it aimed to secure political autonomy for the multitude of small states that made up the Holy Roman...

The Investiture Controversy, also referred to as the Investiture Contest or Investiture Dispute, was a conflict lasting from 1076 to 1122 between the papacy of the Catholic Church and the Salian Dynasty of German monarchs who ruled the Holy...

Dr Thomas Asbridge presents a revelatory account of the Crusades, the 200-year war between Christians and Muslims for control of the Holy Land. The story of the Crusades is remembered as a tale of religious fanaticism and unspeakable violence...

The Ark of the Covenant refers to the box-like container that held the tablets of the Law received by Moses on Mount Sinai. Tradition claimed that it contained two stone tablets, carved by God, listing the first ten commandments given to...

Founded, according to legend, by Romulus and Remus in 753 BC, Rome was first the centre of the Roman Republic, then of the Roman Empire, and it became the capital of the Christian world in the 4th century A.D.. The World Heritage site, extended...