2 Chronicles 13:1
“Now in the eighteenth year of king Jeroboam began Abijah to reign over Judah.”
Now in the eighteenth year of king Jeroboam began Abijah to reign over Judah.
He reigned three years in Jerusalem. His mother’s name also was Michaiah the daughter of Uriel of Gibeah. And there was war between Abijah and Jeroboam.
And Abijah set the battle in array with an army of valiant men of war, even four hundred thousand chosen men: Jeroboam also set the battle in array against him with eight hundred thousand chosen men, being mighty men of valour.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Now in the eighteenth year of king Jeroboam the son of Nebat reigned Abijam over Judah.”
“And Solomon’s son was Rehoboam, Abia his son, Asa his son, Jehoshaphat his son,”
“And Rehoboam slept with his fathers, and was buried in the city of David: and Abijah his son reigned in his stead.”
“Now in the eighteenth year of king Jeroboam the son of Nebat reigned Abijam over Judah.”
“And Rehoboam slept with his fathers, and was buried in the city of David: and Abijah his son reigned in his stead.”