Then Saul built an altar to the Lord. And so, it was then that he first began to build an altar to the Lord
Other versions
King James Version
And Saul built an altar unto the LORD: the same was the first altar that he built unto the LORD. English Standard Version
And Saul built an altar to the LORD; it was the first altar that he built to the LORD.New International Version
Then Saul built an altar to the LORD; it was the first time he had done this.