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Medieval Inquisition

System of tribunals enforcing Catholic orthodoxy

  • 21 min read
  • 5 chapters

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The Cathars were first noted in the 1140s in Southern France, and the Waldensians around 1170 in Northern Italy. Before this point, individual heretics such as Peter of Bruys had often challenged the Church. However, the Cathars were the first mass organization in the second millennium that posed a serious threat to the authority of the Church.

Background

The Roman Emperor Constantine legalized Christianity in 312. Though only in the fourth century of its existence, Christianity had spread widely and was already beginning to experience a multiplicity of schisms within itself. Among the most significant of the heresies at this time were Arianism, Manichaeism, Gnosticism, the Adamites, the Donatists, the Pelagians, and Priscillianists.

The Edict of Thessalonica issued on 27 February 380 by Emperor Theodosius I established Nicene Christianity as the state church of the Roman Empire. It condemned other Christian creeds as heresies of "foolish madmen" and approved their punishment. In 438, under Emperor Theodosius II, the Codex Theodosianus (Theodosian Code), a compilation of laws of the Roman Empire, already provided for the confiscation of property and the death penalty for heretics. After the Fall of the Western Roman Empire in the 5th century, there followed almost seven centuries in which persecutions for heresy became very rare. Some of the old heresies survived, but in a weakened state, and they tended not to operate openly. No new schisms appeared to emerge during this period.

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