Shortly after the death of Jesus ( Nisan 14 or 15 ) , the Jerusalem church is founded as the first Christian church with about 120 Jews and Jewish Proselytes ( ) , followed by Pentecost ( Sivan 6 ) , the Ananias and Sapphira incident , Pharisee Gamaliel 's defense of the Apostles ( ) , the stoning of Saint Stephen ( see also Persecution of Christians ) and the subsequent dispersion of the Apostles ( , also ) which leads to the baptism of Simon Magus in Samaria ( ) , and also an Ethiopian eunuch ( ) .
Shortly after the Crucifixion of Jesus ( Nisan 14 or 15 ) , the Jerusalem church was founded as the first Christian church with about 120 Jews and Jewish proselytes ( ) , followed by Pentecost , the Ananias and Sapphira incident , Pharisee Gamaliel 's defense of the Apostles ( ) , the stoning of Saint Stephen ( see also Persecution of Christians ) and the subsequent dispersal of the church ( ) which led to the baptism of Simon Magus in Samaria ( ) , and also an Ethiopian eunuch ( ) .