1 Kings 15:9 in the World English Bible
In the twentieth year of Jeroboam king of Israel, Asa began to reign over Judah.
Context
8 And Abijam slept with his fathers; and they buried him in the city of David: and Asa his son reigned in his stead.
9 And in the twentieth year of Jeroboam king of Israel reigned Asa over Judah.
10 And forty and one years reigned he in Jerusalem. And his mother’s name was Maachah, the daughter of Abishalom.