1 Kings 12:20
And it came to pass, when all Israel heard that Jeroboam was come again, that they sent and called him unto the congregation, and made him king over all Israel: there was none that followed the house of David, but the tribe of Judah only.
Cross-reference
1 Kings 12:17 states Rehoboam ruled only Judah — the counterpart to Jeroboam's kingship over Israel in this verse.
In 1 Kings 11:32, Ahijah prophesied one tribe would remain for David's sake; here that prophecy is fulfilled as only Judah follows the house of David.
1 Kings 4:1 states Solomon reigned over all Israel; here the kingdom is split, contrasting the united and divided eras.
In 1 Kings 11:11, God tells Solomon the kingdom will be torn from him; this verse shows that prophecy fulfilled.
1 Kings 11:26 introduces Jeroboam as the rebel; here he becomes king, completing his revolt against Rehoboam.
1 Kings 11:35 prophesies that ten tribes will be given to Jeroboam; in this verse, exactly that happens.
Hosea 8:4 condemns Israel for setting up kings without God's approval — directly addressing the illegitimate kingship here.
2 Kings 17:18 shows the ultimate outcome: the northern kingdom exiled, only Judah left — the division here leads to that judgment.
2 Kings 17:21 directly cites this event: 'He tore Israel from the house of David, and they made Jeroboam king.'
2 Chronicles 10:19 is the parallel account: 'Israel has been in rebellion against the house of David to this day.'
2 Chronicles 13:6 summarizes the same rebellion: 'Jeroboam rose up and rebelled against his lord.'
1 Samuel 10:24 shows the people acclaiming Saul as God's chosen king — contrasting with the rebellious acclaim of Jeroboam here.