21 And Solomon ruled over all the kingdoms from the Euphrates River to the land of the Philistines, as far as the border of Egypt. These countries brought tribute and were Solomon’s subjects all his life.

Read 1 Kings 4:21 Using Other Translations

And Solomon reigned over all kingdoms from the river unto the land of the Philistines, and unto the border of Egypt: they brought presents, and served Solomon all the days of his life.
Solomon ruled over all the kingdoms from the Euphrates to the land of the Philistines and to the border of Egypt. They brought tribute and served Solomon all the days of his life.
Solomon ruled over all the kingdoms from the Euphrates River in the north to the land of the Philistines and the border of Egypt in the south. The conquered peoples of those lands sent tribute money to Solomon and continued to serve him throughout his lifetime.