13 However, the prince of the kingdom of Persia opposed me for twenty-one days. Then Michael, one of the chief princes, came to help me, for I had been left there with the kings of Persia.
Daniel 10:13 Cross References - MSB
Ezra 4:4-6
4 Then the people of the land set out to discourage the people of Judah and make them afraid to build.
5 They hired counselors against them to frustrate their plans throughout the reign of Cyrus king of Persia and down to the reign of Darius king of Persia.
6 At the beginning of the reign of Xerxes, an accusation was lodged against the people of Judah and Jerusalem.
Ezra 4:24
24 Thus the construction of the house of God in Jerusalem ceased, and it remained at a standstill until the second year of the reign of Darius king of Persia.
Daniel 10:20-21
20 “Do you know why I have come to you?” he said. “I must return at once to fight against the prince of Persia, and when I have gone forth, behold, the prince of Greece will come.
21 But first I will tell you what is inscribed in the Book of Truth. Yet no one has the courage to support me against these, except Michael your prince.
Daniel 12:1
1 “At that time Michael, the great prince who stands watch over your people, will rise up. There will be a time of distress, the likes of which will not have occurred from the beginning of nations until that time. But at that time your people—everyone whose name is found written in the book—will be delivered.
Zechariah 3:1-2
1 Then the angel showed me Joshua the high priest standing before the angel of the LORD, with Satan standing at his right hand to accuse him.
2 And the LORD said to Satan: “The LORD rebukes you, Satan! Indeed, the LORD, who has chosen Jerusalem, rebukes you! Is not this man a firebrand snatched from the fire?”
Ephesians 6:12
12 For our struggle is not against flesh and blood, but against the rulers, against the authorities, against the powers of this world’s darkness, and against the spiritual forces of evil in the heavenly realms.
Colossians 2:10
10 And you have been made complete in Christ, who is the head over every ruler and authority.
1 Thessalonians 2:18
18 Therefore we wanted to come to you—indeed I, Paul, tried again and again—but Satan obstructed us.
1 Peter 3:22
22 who has gone into heaven and is at the right hand of God, with angels, authorities, and powers subject to Him.
Jude 1:9
9 But even the archangel Michael, when he disputed with the devil over the body of Moses, did not presume to bring a slanderous charge against him, but said, “The Lord rebuke you!”
Revelation 12:7
7 Then a war broke out in heaven: Michael and his angels fought against the dragon, and the dragon and his angels fought back.