#OnThisDay in 1892 Princess Zita of Bourbon-Parma, Empress of Austria, was born as the daughter of Robert I, Duke of Parma, and Infanta Maria Antonia of Portugal.

#OnThisDay in 1910 Hermine Caroline of Schönaich-Carolath was born as the daughter of Hermine Reuss of Greiz and Prince Johann of Schönaich-Carolath. On 12 December 1936, she married Hugo Herbert Hartung, but they had no children together. She died on 5 February 1992.

#OnThisDay in 1849 Masako Ichijō, later known as Empress Dowager Shōken, was born as the daughter of Tadayoshi Ichijō and Tamiko Niihata. On 11 January 1869, she married Emperor Meiji of Japan, but they had no children together. She died on 9 April 1914.

#OnThisDay in 1427 Françoise d'Amboise was born as the daughter of Louis d'Amboise, Prince of Talmont and Viscount of Thouars, and Louise-Marie de Rieux. In 1442, she married the future Peter II, Duke of Brittany but they had no children together. She died on 4 November 1485.

#OnThisDay in 1720 Ümmugülsüm Sultan died. She was born circa 1677 as the daughter of Sultan Mehmed IV of the Ottoman Empire and Emetullah Rabia Gülnuş Sultan. In 1693, she married Silahdar Çerkeş Osman Pasha and they had three daughters together.

#OnThisDay in 1909 Grand Duchess Kira Kirillovna of Russia was born as the daughter of Grand Duke Kirill Vladimirovich of Russia and Princess Victoria Melita of Saxe-Coburg and Gotha. In 1938, she married Prince Louis Ferdinand of Prussia, and they had seven children. She died on 8 September 1967.

#OnThisDay in 1446 Mary of Enghien died. She was born in 1367 as the daughter of John of Enghien, Count of Castro, and Sancia Del Balzo.

#OnThisDay in 1738 the proxy marriage between Maria Amalia of Saxony and the future King Charles III of Spain took place.

#OnThisDay in 1850 Princess Juliane Sophie of Denmark died. She was born in 1788 as the daughter of Frederick, Hereditary Prince of Denmark and Duchess Sophia Frederica of Mecklenburg-Schwerin. On 22 August 1812, she married Prince William of Hesse-Philippsthal-Barchfeld but they had no children.

#OnThisDay in 1838 Princess Chae Siriwongse was born as the daughter of Prince Siriwong, the Prince Mattayaphithak and Lady Kim. Princess Chae. She became the consort of King Mongkut (Rama IV) of Siam (Thailand) and they had two children together. She died on 22 June 1914.

#OnThisDay in 1474 Queen Gonghye died. She was born in 1456 as the daughter of Han Myeong-hoe, Internal Prince Sangdang and Internal Princess Consort Hwangryeo of the Yeoheung Min clan. In 1467, she married the future King Seongjong of Joseon but they had no children together.

NEW: On 9 May 1810, Princess Marianne of Orange-Nassau was born as the daughter of William VI, Prince of Orange, and Princess Wilhelmina of Prussia. Her father would become King William I of the Netherlands in 1815.

#OnThisDay in 1878 Elizabeth Kahanu Kalanianaʻole, Princess of Hawaii, was born as the daughter of Ulalia Muolo Keaweaheulu Laʻanui and George Kaleiwohi Kaʻauwai.

#OnThisDay in 1778 Marie Louise Coidavid, Queen of Haiti, was born.

#OnThisDay in 1894 Archduchess Margaretha of Austria was born as the daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain. On 27 November 1937, she married Francesco Maria Taliani, Marchese di Marchio but they had no children together. She died on 21 June 1986.

#OnThisDay in 1878 Duchess Marie of Mecklenburg-Strelitz was born as the daughter of the future Adolf Friedrich V, Grand Duke of Mecklenburg-Strelitz and Princess Elisabeth of Anhalt.

#OnThisDay in 1941 Natalie of Serbia died. She was born in 1859 as the daughter of Colonel Petre Cheșcu and Princess Pulcheria Sturdza. On 17 October 1875, she married her second cousin, Prince Milan Obrenović IV of Serbia, later King Milan I and they had one surviving son.

#OnThisDay in 1879 Princess Marie Camille of Monaco died. She was born in 1784 as the daughter of Prince Joseph of Monaco and Françoise de Choiseul. On 20 July 1803, she married René-Louis-Victor de La Tour du Pin and they had two children together.

#OnThisDay in 1627 Barbara of Württemberg died. She was born in 1593 as the daughter of Frederick I, Duke of Württemberg and Sibylla of Anhalt. On 21 December 1616, she married Frederick V, future Margrave of Baden-Durlach and they had seven children together, though not all lived to adulthood.

#OnThisDay in 1683 Princess Maria Elisabeth of Liechtenstein was born as the daughter of the future Hans-Adam I, Prince of Liechtenstein and Princess Edmunda Maria of Dietrichstein-Nikolsburg.

NEW: The Liechtenstein Habsburg Fringe tiara was made around 1890.

#OnThisDay in 1718 Mary of Modena, Queen of England, Scotland, and Ireland, died.

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#OnThisDay in 1899 Esma Sultan died following childbirth. She was born in 1873 as the daughter of Sultan Abdulaziz of the Ottoman Empire and Gevheri Kadın. In 1889, she married Kabasakal Çerkes Mehmed Pasha and they had five children together.

#OnThisDay in 1776 Duchess Maria Anna Josepha of Bavaria died. She was born in 1734 as the daughter of the future Charles VII, Holy Roman Emperor, and Maria Amalia of Austria. On 20 July 1755, she married Louis George, Margrave of Baden-Baden. They had no children, and she was widowed in 1761.

#OnThisDay in 1878 Princess Isabelle of Orléans was born as the daughter of Prince Philippe, Count of Paris, and Infanta Maria Isabel of Spain. On 30 October 1899, she married her first cousin Prince Jean, Duke of Guise and they had four children together. She died on 21 April 1961.

#OnThisDay in 1696 Eleonore Wilhelmine of Anhalt-Köthen was born as the daughter of Prince Emmanuel Lebrecht of Anhalt-Köthen and Gisela Agnes of Rath, Countess of Nienburg. She died on 30 August 1726.

#OnThisDay in 1724 Empress Catherine I of Russia was crowned as co-ruler with her husband Peter the Great.

#OnThisDay in 1767 Princess Frederica Charlotte of Prussia, Duchess of York, was born as the daughter of the future King Frederick William II of Prussia, and Elisabeth Christine of Brunswick-Lüneburg.

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#OnThisDay in 1965 Princess Pauline of Württemberg, Princess of Wied, died.

#OnThisDay in 620 Empress Xiaoduanxian died.

#OnThisDay in 1770 Marie Antoinette was officially handed over to the French on an island on the Rhine.

#OnThisDay in 1758 Countess Caroline of Erbach-Fürstenau died. She was born in 1700 as the daughter of Philipp Charles, Count of Erbach-Fürstenau and Charlotte Amalie of Kunowitz. On 19 June 1726, she married Ernst Frederick II, Duke of Saxe-Hildburghausen and they had four children.

#OnThisDay in 1792 Empress Xiaoshencheng was born as the daughter of Sumingga and an unnamed mother. On 2 February 1809, she married the future Daoguang Emperor of the Qing Dynasty and they had one daughter who died in childhood. She died on 16 June 1833.

#OnThisDay in 1065 Gisela of Bavaria died. She was born circa 985 as the daughter of Henry II, Duke of Bavaria and Gisela of Burgundy. In 996, she married the future King Stephen I of Hungary and they had one son together.

#OnThisDay in 1782 Henrietta Maria of Brandenburg-Schwedt died. She was born in 1702 as the daughter of Philip William, Margrave of Brandenburg-Schwedt and Johanna Charlotte of Anhalt-Dessau. In 1716, she married Hereditary Prince Frederick Louis of Württemberg and they had one surviving daughter.

#OnThisDay in 1954 Cecilie of Mecklenburg-Schwerin, the last Crown Princess of Germany, died.

#OnThisDay in 1218 Theresa of Portugal died. She was born circa 1151 as the daughter of King Afonso I of Portugal and Matilda of Savoy.

#OnThisDay in 1885 Marie of Prussia married her second husband, Prince Albert of Saxe-Altenburg.

#OnThisDay in 1464 Sophia Jagiellon was born as the daughter of King Casimir IV of Poland and Archduchess Elisabeth of Austria. In 1479, she married the future Frederick I, Margrave of Brandenburg-Ansbach and they had 18 children, though not all lived to adulthood. She died on 5 October 1512

#OnThisDay in 1787 Carolina of Orange-Nassau, Princess of Nassau-Weilburg died.

#OnThisDay in 1960 Princess Margaret married Antony Armstrong-Jones.

#OnThisDay in 1922 Princess Marie Alexandrine of Saxe-Weimar-Eisenach died. She was born in 1849 as the daughter of Charles Alexander, future Grand Duke of Saxe-Weimar-Eisenach and Princess Sophie of the Netherlands.

#OnThisDay in 1894 Princess Amalie of Saxe-Coburg and Gotha died. She was born in 1848 as the daughter of Prince August of Saxe-Coburg and Gotha and Princess Clémentine of Orléans. On 20 September 1875, she married Duke Maximilian Emanuel in Bavaria and they had three sons together.

#OnThisDay in 1483 Grand Queen Dowager Jaseong died. She was born in 1418 as the daughter of Yun Beon and Grand Internal Princess Consort Heungnyeong of the Incheon Yi clan. In 1428, she married the future King Sejo of Joseon and they had four children together.

#OnThisDay in 1897 Princess Razafinandriamanitra of Madagascar died after giving birth to her only child a few days earlier. She was just 14 years old.

#OnThisDay in 1685 Sophia Louise of Mecklenburg-Schwerin was born as the daughter of Frederick, Duke of Mecklenburg-Grabow and Princess Christine Wilhelmine of Hesse-Homburg. In 1708, she married King Frederick I of Prussia but they had no children together. She died on 29 July 1735.