Now the acts of Rehoboam, from the first to the last, are they not written in the records of Shemaiah the prophet and of Iddo the seer, according to genealogical enrollment? There were wars between Rehoboam [of Judah] and Jeroboam [of Israel] continually.

so that you may know the exact truth about the things you have been taught [that is, the history and doctrine of the faith].