Colossians 1:14-15
14 in whom we have redemption through his blood, even the forgiveness of sins:
15 who is the image of the invisible God, the firstborn of every creature:
Colossians 1:16-17
16 for by him were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by him, and for him:
17 and he is before all things, and by him all things consist.
Colossians 1:18
18 And he is the head of the body, THE CHURCH:
who is the beginning, the firstborn from the dead;
that in all things he might have the preeminence.
Acts 2:1
And when the day of Pentecost was fully come, they were all with one accord in one place.
The Passover Feast
Leviticus 23:4-5
4 These are the feasts of the Lord, even holy convocations, which ye shall proclaim in their seasons.
5 In the fourteenth day of the first month at even is the Lord’s Passover.
Leviticus 23:6
6 And on the fifteenth day of the same month is the feast of unleavened bread unto the Lord: seven days ye must eat unleavened bread.
Feast of First fruits
Leviticus 23:9-11
9 And the Lord spake unto Moses, saying, 10 Speak unto the children of Israel, and say unto them, When ye be come into the land which I give unto you,
and shall reap the harvest thereof, then ye shall bring a sheaf of the first fruits of your harvest unto the priest:
11 and he shall wave the sheaf before the Lord, to be accepted for you: on the morrow after the sabbath the priest shall wave it.
Feast of Weeks (Pentecost)
Leviticus 23:15-17 ESV
15 “You shall count seven full weeks from the day after the Sabbath, from the day that you brought the sheaf of the wave offering.
16 You shall count fifty days to the day after the seventh Sabbath. Then you shall present a grain offering of new grain to the Lord.
17 You shall bring from your dwelling places two loaves of bread to be waved, made of two tenths of an ephah.
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 2:5-11
5And there were dwelling at Jerusalem Jews, devout men, out of every nation under heaven.
6Now when this was noised abroad, the multitude came together, and was confounded, because that every man heard them speak in his own language.
7And they were all amazed and marveled, saying one to another, Behold, are not all these which speak Galileans? 8And how hear we every man in our own tongue, wherein we were born?
9Parthians, and Medes, and Elamites, and the dwellers in Mesopotamia, and in Judaea, and Cappadocia, in Pontus, and Asia,
10Phrygia, and Pamphylia, in Egypt, and in the parts of Libya about Cyrene, and strangers of Rome, Jews and proselytes,
11Cretes and Arabians, we do hear them speak in our tongues the wonderful works of God.
Hebrews 12:18-20
18 For ye are not come unto the mount that might be touched, and that burned with fire, nor unto blackness, and darkness, and tempest, 19 and the sound of a trumpet, and the voice of words; which voice they that heard intreated that the word should not be spoken to them anymore:
20 (for they could not endure that which was commanded, And if so much as a beast touch the mountain, it shall be stoned, or thrust through with a dart: 21 and so terrible was the sight, that Moses said, I exceedingly fear and quake:)
Hebrews 12:22-24
22 but ye are come unto mount Sion, and unto the city of the living God, the heavenly Jerusalem, and to an innumerable company of angels,
23 to the general assembly and church of the firstborn, which are written in heaven, and to God the Judge of all, and to the spirits of just men made perfect,
24 and to Jesus the mediator of the new covenant, and to the blood of sprinkling, that speaketh better things than that of Abel.