Jude 1:9

But Michael, the arch-angel, when contending with the Devil he was disputing about the body of Moses, did not dare to bring against him a railing judgment, but said, "The Lord rebuke you."

Revelation 12:7

And there was war in the heaven; Michael and his angels went forth to war with the dragon. And the dragon made war, and his angels;

Ephesians 6:12

because to us the struggle is not against blood and flesh, but against the principalities, against the authorities, against the world-rulers of this darkness, against the spiritual forces of evil in the heavenly places.

1 Peter 3:22

Who is on the right hand of God, having gone into Heaven, angels and authorities and powers having been made subject to Him.

Colossians 2:10

and ye have been made complete in Him, Who is the Head of all principality and power;

1 Thessalonians 2:18

Because we wished to come to you, even I, Paul, both once and again; and Satan hindered us.

Treasury of Scripture Knowledge

Summary

But the prince of the kingdom of Persia withstood me one and twenty days: but, lo, Michael, one of the chief princes, came to help me; and I remained there with the kings of Persia.

Bible References

The prince

Ephesians 6:12
because to us the struggle is not against blood and flesh, but against the principalities, against the authorities, against the world-rulers of this darkness, against the spiritual forces of evil in the heavenly places.
1 Thessalonians 2:18
Because we wished to come to you, even I, Paul, both once and again; and Satan hindered us.

Michael

Jude 1:9
But Michael, the arch-angel, when contending with the Devil he was disputing about the body of Moses, did not dare to bring against him a railing judgment, but said, "The Lord rebuke you."
Revelation 12:7
And there was war in the heaven; Michael and his angels went forth to war with the dragon. And the dragon made war, and his angels;

One

Colossians 2:10
and ye have been made complete in Him, Who is the Head of all principality and power;
1 Peter 3:22
Who is on the right hand of God, having gone into Heaven, angels and authorities and powers having been made subject to Him.