Pentecost

John 14:16 - And I will pray the Father, and he shall give you another Comforter, that he may abide with you forever;

John 14:26 - But the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you.
Acts 1:8 - But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judea, and in Samaria, and unto the uttermost part of the earth.
Acts 2:1 - And when the day of Pentecost was fully come, they were all with one accord in one place.

Acts 2:2 - And suddenly there came a sound from heaven as of a rushing mighty wind, and it filled all the house where they were sitting.

Acts 2:3 - And there appeared unto them cloven tongues like as of fire, and it sat upon each of them.

Acts 2:4 - And they were all filled with the Holy Ghost, and began to speak with other tongues, as the Spirit gave them utterance.

Acts 2:33 - Therefore being by the right hand of God exalted, and having received of the Father the promise of the Holy Ghost, he hath shed forth this, which ye now see and hear.

Acts 2:38 - Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost.
Acts 4:31 - And when they had prayed, the place was shaken where they were assembled together; and they were all filled with the Holy Ghost, and they spake the word of God with boldness.
Acts 11:15 - And as I began to speak, the Holy Ghost fell on them, as on us at the beginning.