Unknown Author
1 Kings 11:42ESV·author unknown

And the time that Solomon reigned in Jerusalem over all Israel was forty years.

Matthew Henry Presbyterian @wholebiblehenry

We have here the conclusion of Solomon's story, and in it, 1. Reference is had to another history then extant, but (not being divinely inspired) since lost, the Book of the Acts of Solomon, Kg1 11:41. Probably this book was written by a chronologer or historiographer, whom Solomon employed to write his annals, out of which the sacred writer extracted what God saw fit to transmit to the church. 2.

Commenting on 1 Kings 11:41-43

Adam Clarke Methodist @methodicalclarke

Solomon reigned - forty years - Josephus says fourscore years, which is sufficiently absurd. Calmet supposes him to have been eighteen years old when he came to the throne, and that he died A.M. 3029, aged fifty-eight years; and, when we consider the excess in which he lived, and the criminal passions which he must have indulged among his thousand wives, and their idolatrous and...

Keil & Delitzsch Lutheran @keilanddelitzsch

1Ki 11:41-43 Conclusion of the history of Solomon. - Notice of the original works, in which further information can be found concerning his acts and his wisdom (see the Introduction); the length of his reign, viz., forty years; his death, burial, and successor. Solomon did not live to a very great age, since he was not more than twenty years old when he ascended the throne.

Commenting on 1 Kings 11:41-43