The word heresy comes from haeresis, a Latin transliteration of the Greek word meaning choosing, choice, course of action, or in an extended sense school of thought. Irenaeus (b. between the years 115 – 125 according to some, or 130 – 142, d. 202) defined heresy as deviation from the standard of sound doctrine.
14 – Augustus died on August 19 – On September 17, the Senate in Rome decreed that Augustus Caesar was one of the gods, and it named Tiberius emperor. (If Luke 3.1 dates “the reign of Tiberius Caesar” from this year, his fifteenth year was 28/29 CE.)
30/ 33? – Jesus was crucified and resurrected.