page_title: Mars (mythology)
section_title: Temples and topography in Rome
hierarchical_section_title: Mars (mythology) / Temples and topography in Rome
context_page_description: In ancient Roman religion and myth, Mars was the god of war and also an agricultural guardian, a combination characteristic of early Rome. He was the son of Jupiter and he was the most prominent of the military gods in the religion of the Roman army. Most of his festivals were held in March, the month named for him, and in October, which began the season for military campaigning and ended the season for farming.
  Under the influence of Greek culture, Mars was identified with the Greek god Ares, whose myths were reinterpreted in Roman literature and art under the name of Mars. But the character and dignity of Mars differed in fundamental ways from that of his Greek counterpart, who is often treated with contempt and revulsion in Greek literature. Mars's altar in the Campus Martius, the area of Rome that took its name from him, was supposed to have been dedicated by Numa, the peace-loving semi-legendary second king of Rome. Although the center of Mars's worship was originally located outside the sacred boundary of Rome, Augustus made the god a renewed focus of Roman religion by establishing the Temple of Mars Ultor in his new forum.
context_section_description: The earliest center in Rome for cultivating Mars as a deity was the Altar of Mars (Ara Martis) in the Campus Martius ("Field of Mars") outside the sacred boundary of Rome (pomerium). The Romans thought that this altar had been established by the semi-legendary Numa Pompilius, the peace-loving successor of Romulus. According to Roman tradition, the Campus Martius had been consecrated to Mars by their ancestors to serve as horse pasturage and an equestrian training ground for youths. During the Roman Republic (509–27 BCE), the Campus was a largely open expanse. No temple was built at the altar, but from 193 BCE a covered walkway connected it to the Porta Fontinalis, near the office and archives of the Roman censors. Newly elected censors placed their curule chairs by the altar, and when they had finished conducting the census, the citizens were collectively purified with a suovetaurilia there. A frieze from the so-called "Altar" of Domitius Ahenobarbus is thought to depict the census, and may show Mars himself standing by the altar as the procession of victims advances.
  The main Temple of Mars (Aedes Martis) in the Republican period also lay outside the sacred boundary and was devoted to the god's warrior aspect. It was built to fulfill a vow (votum) made by a Titus Quinctius in 388 BCE during the Gallic siege of Rome. The founding day (dies natalis) was commemorated on June 1, and the temple is attested by several inscriptions and literary sources. The sculpture group of Mars and the wolves was displayed there. Soldiers sometimes assembled at the temple before heading off to war, and it was the point of departure for a major parade of Roman cavalry held annually on July 15.
  A temple to Mars in the Circus Flaminius was built around 133 BCE, funded by Decimus Junius Brutus Callaicus from war booty. It housed a colossal statue of Mars and a nude Venus.
  The Campus Martius continued to provide venues for equestrian events such as chariot racing during the Imperial period, but under the first emperor Augustus it underwent a major program of urban renewal, marked by monumental architecture. The Altar of Augustan Peace (Ara Pacis Augustae) was located there, as was the Obelisk of Montecitorio, imported from Egypt to form the pointer (gnomon) of the Solarium Augusti, a giant sundial. With its public gardens, the Campus became one of the most attractive places in the city to visit.
  Augustus chose the Campus Martius as the site of his new Temple to Mars Ultor, a manifestation of Mars he cultivated as the avenger (ultor) of the murder of Julius Caesar and of the military disaster suffered at the Battle of Carrhae. When the legionary standards lost to the Parthians were recovered, they were housed in the new temple. The date of the temple's dedication on May 12 was aligned with the heliacal setting of the constellation Scorpio, the sign of war. The date continued to be marked with circus games as late as the mid-4th century AD.
  A large statue of Mars was part of the short-lived Arch of Nero, which was built in 62 CE but dismantled after Nero's suicide and disgrace (damnatio memoriae).
caption: Remains of the Temple of Mars Ultor in the Forum of Augustus, Rome
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