December 31: Today in Royal History

Charles Edward Stuart, known as Bonnie Prince Charlie and the Young Pretender; Photo Credit – Wikipedia

December 31, 1705 – Death of Catherine of Braganza, wife of King Charles II of England, at the Palace of Bemposta in Lisbon, Portugal; originally buried at the Jerónimos Monastery in Lisbon, Portugal; re-interred at the Monastery of São Vicente de Fora in Lisbon, Portugal
Unofficial Royalty: Catherine of Braganza, Queen of England

December 31, 1720 – Birth of Charles Edward Stuart, known as Bonnie Prince Charlie and as the Young Pretender, at Palazzo Muti in Rome, Italy
Charles was the grandson of King James II of England who was overthrown in 1688 during the Glorious Revolution.
Unofficial Royalty: Charles Edward Stuart

December 31, 1885 – Birth of Victoria Adelaide of Schleswig-Holstein, wife of Charles Edward, Duke of Saxe-Coburg and Gotha, in Grünholz, Schleswig-Holstein
Unofficial Royalty: Victoria Adelaide of Schleswig-Holstein, Duchess of Saxe-Coburg and Gotha

December 31, 1935 – Birth of King Salman of Saudi Arabia in Riyadh, Saudi Arabia
Unofficial Royalty: King Salman of Saudi Arabia

December 31, 1970 – Birth of Carlos Morales Quintana, husband of Princess Alexia of Greece, in Lanzarote, Spain
Wikipedia: Carlos Morales Quintana