The Monarchy of Diadochia commonly referred to as the Diadochian monarchy or simply the The Crown. The Diadochian monarchy is nominally a constitutional monarchy by law; however by tradition [it is] a benevolent autocracy or absolute monarchy with a constitution. The Present Diadochian monarch, since 21 December 1964, is Emperor Nicholas VI of Diadochia. The Diadochian monarchy is among the oldest hereditary monarchies in Pandos as well as the world, having reigned continuously since 930 BC. However the Monarchy in fact even more ancient, goes back even farther to over two thousand years.