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Origin and history

The Mars Gate is a Gallo-Roman monumental arch erected at the beginning of the third century in Reims, then called Durocortorum. It was one of the four cardinal arches of the ancient city, marking the northern entrance. His name comes from a neighboring temple dedicated to Mars, the Roman god of war. With 33 meters long and 13 meters high, it is the largest known arc in the Roman world. Initially a symbol of urban grandeur under the High Empire, it was incorporated into the city's wall in the fourth century, becoming a fortified gate.

The arch was then emmured in the castle of the Archbishops in the 13th century, which served to preserve it. Rediscovered partially in 1677 and completely cleared in 1844, it was restored in 1854 after its classification as a historical monument in 1840. His decorations, including medallions illustrating an agricultural calendar and mythological scenes (such as Romulus and Remus), are now partially degraded. Contrary to the ideas received, it is not an arc of triumph, the latter being reserved for Rome.

The gate of Mars benefited from major restoration campaigns, notably in 1983-1984 and between 2015-2023, including the reconstruction of its architrave and restoration of its trimmings. Since 2011, its urban development has been strengthened by the pedestrianization of the surroundings and the removal of a roundabout, also revealing remains like old ruts under the porch. The monument remains an exceptional testimony of Gallo-Roman architecture and the urban history of Reims.

Three other arches originally existed at the east, south and west entrances of Durocortorum: the Ceres Gate (destroyed in 1798), the Bazée Gate (demoliated in 1753, classified in 1981), and the Venus Gate (filed in 2007-2008). These arches marked the cardinal axes (cardo and decumanus) of the ancient city. The only remaining gateway to Mars thus illustrates the strategic and symbolic importance of Reims, linked to Rome by a founding legend involving Remus.

The 19th century restorations, led by Narcisse Brunette under the leadership of Prosper Mérimée, saved the monument, although some interventions were criticized. Recent work (2015-2023) has modernized its weather protection and restored its decor. Today, the Porte de Mars is an emblem of the Remois heritage, accessible to pedestrians and staged in an urban space redesigned to highlight its majesty.

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