Timeline of Christianity
142–144? Marcion of Sinope, bishop according to Catholic Encyclopedia, went to Rome, possibly to buy the bishopric of Rome, upon rejection formed his own church in Rome, later called Marcionism, rejected Old Testament, decreed canon of one Gospel, one Apostolicon (10 Letters of Paul) and one Antithesis which contrasted the Old Testament with the New Testament, cited Western text-type, see also Expounding of the Law#Antithesis of the Law