Holy grail: Did you mean...?

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

The Holy Cross Episcopal Mission, Wounded Knee, South Dakota, used as a hospital for the wounded Lakota Sioux following the Wounded Knee Massacre.

Tomb of Holy Roman Emperor Frederick II (l. 1194-1250 CE) in Palermo, Sicily.

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.

A 1778 oil-on-canvas painting, Church of the Holy Cross in Warsaw, by Bernardo Bellotto. (Royal Castle, Warsaw)

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...

Shulgi and Ninlil's Barge is a Sumerian poem dated to the reign of Shulgi of Ur (2029-1982 BCE) celebrating the caulking of the barge of the goddess Ninlil, consort of the sky god Enlil, and the banquet held in the couple's honor by Shulgi...

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

The Debate Between Sheep and Grain (c. 2000 BCE) is one of the best-known Sumerian literary debates in a genre that was popular entertainment by the late 3rd millennium BCE. In this piece, personifications of grain and sheep argue which is...

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...