Acts 10:44

Peter was yet speaking, when the holy spirit descended on all that heard him.

Acts 11:15

and while I was speaking to them, the holy spirit descended upon them, as it did on us, at the beginning.

Acts 15:8

God who knows their hearts has granted them a testimonial, by giving them the holy spirit, even as he did to us:

Acts 2:2-4

when all of a sudden there came a sound from heaven, like that of an impetuous wind, which filled all the house where they were.

Acts 4:31

When they had prayed, the place where they were assembled, trembled; they were all filled with the holy spirit, and they spake the word of God with boldness.

Acts 8:15-17

who upon their arrival, prayed for them that they might receive the holy spirit.

Acts 19:6

and Paul having given them imposition of hands, the holy spirit came upon them, and they spoke foreign languages, and prophesied:

Treasury of Scripture Knowledge

Summary

While Peter yet spake these words, the Holy Ghost fell on all them which heard the word.

Bible References

The holy ghost

Acts 2:2
when all of a sudden there came a sound from heaven, like that of an impetuous wind, which filled all the house where they were.
Acts 4:31
When they had prayed, the place where they were assembled, trembled; they were all filled with the holy spirit, and they spake the word of God with boldness.
Acts 8:15
who upon their arrival, prayed for them that they might receive the holy spirit.
Acts 11:15
and while I was speaking to them, the holy spirit descended upon them, as it did on us, at the beginning.
Acts 19:6
and Paul having given them imposition of hands, the holy spirit came upon them, and they spoke foreign languages, and prophesied: