the suicide of Nero. 69: Gospel of Mark completed. 70: Fall of Jerusalem and the destruction of the Temple. 72: Martyrdom of Saint Thomas the Apostle at Mylapore. 76: Martyrdom of Pope Linus. 80s Gospel of Matthew completed. 80s: Gospel of Luke and Acts of the Apostles completed 90-96 Persecution of Christians under Emperor Domitian 95 Book of Revelation written. (2nd). 96: Traditional date of First Epistle of Clement attributed to Pope Clement I written to the church in Corinth. 100: St. John, the last of the Apostles, dies in Ephesus. 100: Gospel of John completed 110: Ignatius of Antioch uses the term Catholic Church in a letter to the church at Smyrna, in one of the letters of undisputed authenticity attributed to him. In this and other genuine letters he insists on the importance of the bishops in the church and speaks harshly about heretics and Judaizers. 150: Latin translations (the Vetus Latina) from the Greek texts of the Scriptures are circulated among non-Greek-speaking Christian communities. 154: The teachings of Marcion, the gnostic Valentinus and pentecostal Montanists cause disruptions in the Roman community. Persecution of Christians in the Roman Empire continues. 155: Justin Martyr composes his First Apology in Rome. 156: Polycarp, bishop of Smyrna, disciple of John, and teacher of Irenaeus, is martyred. 177: Irenaeus becomes bishop of Lyons, France. 180: Irenaeus's Adversus Haereses brings the concept of "heresy" to the fore in the first systematic attempt to counter Gnostic and other aberrant teachings. In the same work, he taught that the most reliable source of apostolic guidance was the episcopacy of Rome. 195: Pope Victor I, first African Pope, excommunicated the Quartodecimans in an Easter controversy. 200: Tertullian, first great Christian Latin writer, coined for Christian concepts Latin terms such as "Trinitas", "Tres Personae", "Una Substantia", "Sacramentum" 248: Origen of Alexandria writes Contra Celsum, the most important apologetic writing of antiquity alongside Augustine's City of God. 249: Pope Fabian is said to have sent out seven bishops from Rome to Gaul to preach the Gospel: Gatien to Tours, Trophimus to Arles, Paul to Narbonne, Saturnin to Toulouse, Denis to Paris, Austromoine to Clermont, and Martial to Limoges. 250: Emperor Decius begins a widespread persecution of Christians in Rome. Pope Fabian is martyred. Afterwards the Donatist controversy over readmitting lapsed Christians disaffects many in North Africa. 312: Emperor Constantine leads the forces of the Roman Empire to victory