March 19: Today in Royal History

Princess Louisa Anne of Wales; Credit – Wikipedia

March 19, 1286 – Death of King Alexander III of Scotland in Kinghorne, Fife, Scotland; buried at Dunfermline Abbey in Fife, Scotland
Wikipedia: King Alexander III of Scotland

March 19, 1749 – Birth of Princess Louisa Anne of Wales, daughter of Frederick, Prince of Wales and sister of King George III of the United Kingdom, at Leicester House in London, England
Wikipedia: Princess Louisa Anne of Wales

March 19, 1851 – Birth of Frederick Francis III, Grand Duke of Mecklenburg-Schwerin
Wikipedia: Frederick Francis III, Grand Duke of Mecklenburg-Schwerin

March 19, 1889 – Birth King Manuel II of Portugal at the Palace of Belém in Lisbon, Portugal
Unofficial Royalty: King Manuel II of Portugal

March 19, 1976 – Separation of Princess Margaret of the United Kingdom and Antony Armstrong-Jones, 1st Earl of Snowdon, after 16 years of marriage
Unofficial Royalty: Princess Margaret
Unofficial Royalty: Antony Armstrong-Jones, 1st Earl of Snowdon

March 19, 1992 – Separation of the Duke and Duchess of York announced by Buckingham Palace
BBC: On This Day – March 19