From Jesus’ baptism in 29 C.E. to Jerusalem’s council in 49 C.E., Scripture records the congregation’s expansion among Jews and Gentiles.
EARLY CHRISTIANITY: The Conversion of Cornelius and the Beginning of the Mission to the Gentiles
Thus far none had been received into the Christian church but Jews, and such proselytes as had been circumcised. But the missionary work could not possibly stop here. The salvation of the gospel was for all people, Gentiles, as well as Jews.

