“¶ Dauid smote also Hadadezer the sonne of Rehob, king of Zobah, as he went to recouer his border at the riuer Euphrates.”
1611 King James Version (KJV)
8:3 As he went - David, remembering the grant which God had made to his people of all the land as far as Euphrates, and having subdued his neighbouring enemies, went to recover his rights, and stablish his dominion as far as Euphrates.