Anno Domini

Anno Domini The terms anno Domini[a][1][2] (AD) and before Christ[b][3][4][5] (BC) are used to label or number years in the Julian and Gregorian calendars. The term anno Domini is Medieval Latin and means “in the year of the Lord”,[6]but is often presented using “our Lord” instead of “the Lord”,[7][8] taken from the full original phrase “anno Domini...