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Great fire of Rome; Nero launches persecutions of Christians.
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Destruction of Jerusalem by Titus
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Persecution under Domitian
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St. Clement I is Pope; restored the Sacrament of Confirmation according to the rite of St. Peter
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St. Clement I is martyred
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St. Ignatius of Antioch is martyred
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Trajans rescript in response to Pliny.
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St. Sixus I is pope
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Hadrians rescript
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St. Sixus I died
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St. Telesphorus is pope; he composed the “Gloria In Excelsis Deo”
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St. Telesphorus is martyred.
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St. Justin Martyr dedicated his “First Apology”
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St. Polycarp is martyred
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St. Justin Martyr dedicates his “Second Apology”
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St. Irenæus writes “Against Heresies”
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Origen begins writing
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Tertullian begins writing
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Sts. Perpetua and Felicity are martyred in the arena at Carthage.
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Edict of Decius orders empire-wide persecution of Christians.
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Valerian rescripts
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Diocletian creates tetrarchy
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“Great persecution” begins under Diocletian.
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Constantine adopts Christian symbol before battle.
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Edict of Milan