Luke 3:21

Now it happened when all the people had been immersed [by John], that Jesus was also immersed [by him]. And while Jesus was praying, heaven was opened

John 1:32-34

So, John gave his testimony, saying, "I have seen the Holy Spirit descending as a dove out of heaven, and it remained on Him.

Matthew 3:13-17

Jesus then came from [the province of] Galilee to be immersed by John in the Jordan River.

Matthew 14:23

After He had dispersed them, He went up into the mountain by Himself to pray. When evening had come He was there alone.

Mark 1:9-11

And it happened at that time that Jesus went from Nazareth, in Galilee [i.e., south to Judea], where He was immersed by John in the Jordan River.

Luke 5:16

So, He went away to deserted places and prayed.

Luke 9:18

And it happened while Jesus was praying off by Himself that His disciples joined Him. He asked them, saying, "Who are the crowds saying that I am?"

Luke 9:28-29

And it happened about eight days after Jesus said these things that He took Peter, John and James with Him and went up in the mountain to pray. [Note: This was probably Mt. Tabor, which was nearby].

John 12:27-28

"Now my heart is distressed; and what shall I say [i.e., to God]? 'Father, bring me safely through this time.' But, this is the reason I came [to earth]; to [go through] such a time.

Treasury of Scripture Knowledge

Summary

Now when all the people were baptized, it came to pass, that Jesus also being baptized, and praying, the heaven was opened,

And praying

General references

Bible References

That

Matthew 3:13
Jesus then came from [the province of] Galilee to be immersed by John in the Jordan River.
Mark 1:9
And it happened at that time that Jesus went from Nazareth, in Galilee [i.e., south to Judea], where He was immersed by John in the Jordan River.
John 1:32
So, John gave his testimony, saying, "I have seen the Holy Spirit descending as a dove out of heaven, and it remained on Him.

And praying

Luke 9:28
And it happened about eight days after Jesus said these things that He took Peter, John and James with Him and went up in the mountain to pray. [Note: This was probably Mt. Tabor, which was nearby].
John 12:27
"Now my heart is distressed; and what shall I say [i.e., to God]? 'Father, bring me safely through this time.' But, this is the reason I came [to earth]; to [go through] such a time.

The heaven

Matthew 3:16
After Jesus was immersed [by John], He came up out of the water and heaven was opened up before Him and He saw the Holy Spirit from God descending, as a dove, and landing upon Him.
Mark 1:10
And immediately upon emerging from the water, He saw the sky split open and the Holy Spirit descending on Him as a dove.
John 1:32
So, John gave his testimony, saying, "I have seen the Holy Spirit descending as a dove out of heaven, and it remained on Him.

General references

Matthew 3:13
Jesus then came from [the province of] Galilee to be immersed by John in the Jordan River.