Ten years ago this month, the U.S. Supreme Court illegitimately redefined marriage in the case Obergefell v. Hodges—illegitimately, that is, because a human court has no authority to redefine an institution put in place by God. Lest we think that marriage has only made controversial headlines during the past 10 years, it’s good to remember also that marriage lay at the center of controversy 500 years ago, as well.