Today's English lesson

From Common Errors in English:"A.D." does not mean "after death," as many people suppose. "B.C." stands for the English phrase "before Christ," but "A.D." stands confusingly for a Latin phrase: anno domini ("in the year of the Lord" -- the year Jesus was born). If the calendar actually changed with Jesus' death, then what would we do with the years during which he lived? Since Jesus was probably