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Origin and history

The Templar Chapel of Metz, built between 1180 and 1220, is the only vestige of a Templar Commandery founded in the 12th century in this free city of the Holy Roman Empire. Its architecture, on the border between Romanesque and Gothic, is distinguished by a centered octagonal plan, thick walls, and vaults on dogive cross. The carved arch key represents the dove of the Holy Spirit, while the capitals adorned with rinceaux à fleur de lys evoke Rhine influences or a tribute to the Holy Sepulchre of Jerusalem. The murals, partially restored in the early 20th century, date from the 14th century.

The Templars settled in Metz after 1147, following a donation related to the preaching of Bernard de Clairvaux for the second crusade. At the end of the 13th century, they moved their siege near the church of Saint-Pierre-aux-Nonnais. Unlike the kingdom of France, where the order was dissolved in 1312, the Messin Templars, protected by local lords, escaped persecution after their transformation into Hospitallers. No property passes to Teutonics, and some Commanders keep their titles under the new obedience.

The chapel, classified as a historical monument in 1840, escaped several destructions: in 1556 when the citadel was built (where it served as a powder shop), and in 1861 thanks to the intervention of Prosper Mérimée against the military arsenal. In the 20th century, it was in turn a German telegraph station (1882), a place of conservation of the altarpiece of Hattonchâtel during the First World War, and a military chaplaincy room after 1957. Today, it hosts exhibitions, partially regaining its original vocation.

Architectural features include seven absidiole niches invisible from the outside, a square vaulted cul-de-four choir, and a sculpted lintel door from the Templar Foot Cross. Two folded arching fires, later added, adorn a slice of octagon. A 13th-century capitular hall, decorated with paintings described by Viollet-le-Duc, was demolished in 1904 after partial surveys at the Metz Museum.

The historical context of Messin reveals a coexistence between religious orders: Templiers, Hospitallers of Petit-Saint-Jean, and Teutonics of Sainte-Élisabeth. The city, then under Germanic influence, enjoys relative autonomy, explaining the survival of the local Templars after 1312. Their commandery, though reduced to its chapel, illustrates the lasting anchoring of order in the Messin Country, despite the political and religious upheavals of the Middle Ages.

The successive restorations (1864, 1908, 1927) preserved this emblematic building, a witness to the transitions between imperial power, French royal power, and German occupations. His iconography — frescoes of the 14th century, pattée cross — and his centred plan make it a rare example of Templar architecture in Lorraine, linked both to the crusades and to the local history of the Holy Empire.

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