January 4, 1926 (100): Death of Queen Margherita of Italy (1851-1926) January 22, 1901 (125): Death of Queen Victoria (1819-1901); Accession of King Edward VII (1841-1910) February 26, 1726 (300): Death of Elector Maximilian II Emanuel of Bavaria (1662-1726); Accession of Elector Karl (VII) (1697-1745) March 10, 1826 (100): Death of King John VI of Portugal (1767-1826): Accession of King Pedro IV (1798-1834) March 20, 1926 (100): Death of Queen Louise of Denmark (1851-1926) April 21, 1926 (100): Birth of Queen Elizabeth II (1926-2022) May 2, 1826 (200): Abdication of King Pedro IV of Portgual; Accession of Queen Maria II (1819-1853) 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)
October 18, 1926 (100): Beginning of Queen Marie of Romania's US tour with NYC parade
(Rule for inclusion: Multiples of 25 up to 200; multiples of 50 up to 500; beyond that multiples of 100)
