May 5, 1826 (200): Birth of Empress Eugenie of France (1826-1920)
June 1, 2001 (25): Nepalese Royal Massacre: Death of King Birendra (1945-2001); Accession of titular King Dipendra (1971-2001)
June 4, 2001 (25): Nepalese Royal Massacre: Death of King Dipendra; Accession of King Gyanendra (1947- )
June 18, 1926 (100): Death of Queen Olga of Greece (1851-1926)
June 19, 1976 (50): Marriage of King Carl XVI of Sweden & Silvia Sommerlath
July 16, 1951 (75): Abdication of King Leopold III of Belgium (1901-1983); Accession of King Baudouin I (1930-1993)
July 25, 1876 (150): Birth of Queen Elisabeth of Belgium (1876-1965)
August 29, 1526 (500): Death of King Louis II of Bohemia & Hungary (1506-1526) in Battle of Mohács
October 18, 1926 (100): Beginning of Queen Marie of Romania's US tour with NYC parade
October 24, 1526 (500): Election of Ferdinand I (1503-1564) as King of Bohemia
December 4, 1976 (50): Death of Benjamin Britten, Baron Britten
December 11, 1826 (200): Death of Empress Leopoldina of Brazil (1797-1826)
December 17, 1526 (500): Election of Ferdinand I as King of Hungary
(Rule for inclusion: Multiples of 25 up to 200; multiples of 50 up to 500; beyond that multiples of 100)
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