Cross reference
Mark 1:33
33 and the whole city was gathered together near the door,
Mark 1:5
5 and there were going forth to him all the region of Judea, and they of Jerusalem, and they were all baptized by him in the river Jordan, confessing their sins.
Acts 13:44
44 And on the coming sabbath, almost all the city was gathered together to hear the word of God,