2 euro: 100th Anniversary of the death of the William IV

William IV, Grand Duke of Luxembourg (22 April 1852 - 25 February 1912) reigned as the sovereign Grand Duke of Luxembourg from 17 November 1905 until his death. He succeeded his father, Adolphe, Grand Duke of Luxembourg. He also held the titular title of Duke of Nassau. William IV was a Protestant, the religion of the House of Nassau. He married Marie Anne of Portugal, believing that a Roman Catholic country ought to have a Roman Catholic monarch. Thus since William IV all other Grand Dukes have been Catholic.