1 Kings 11:13 foretells that Solomon's kingdom will be reduced to one tribe, contrasting with his rule over all Israel in 4:1.

1 Kings 11:35 states ten tribes will be taken from Solomon's son, opposing the unified reign described in 4:1.

1 Kings 11:36 reiterates that one tribe remains for David's sake — a direct contrast to Solomon's rule over all Israel.

1 Kings 12:20 shows the tragic reversal: Israel rejects David's house and makes Jeroboam king over all Israel, contrasting Solomon's unified reign.

2 Samuel 5:5 records David's reign over all Israel and Judah, just as Solomon now does; both kings ruled the unified kingdom.

2 Chronicles 9:30 summarizes Solomon's entire reign over all Israel, confirming the unity stated at the start.

Ecclesiastes 1:12 is Solomon's own words identifying himself as king over Israel, directly echoing the fact stated here.

2 Chronicles 10:1 shows all Israel gathering to make Rehoboam king, setting up the division that contrasts with Solomon's united kingdom.