Margaret Douglas, Countess of Lennox; Photo Credit – Wikipedia

March 7, 1305 – Death of Guy, Count of Flanders
Wikipedia: Guy, Count of Flanders

March 7, 1342 – Death of Joan of Valois, Countess of Hainaut
Wikipedia: Joan of Valois, Countess of Hainaut

March 7, 1461 – Wedding of Gaston of Foix, Prince of Viana & Magdalena of Valois
Wikipedia: Gaston of Foix, Prince of Viana
Wikipedia: Magdalena of Valois

March 7, 1517 – Death of Maria of Aragon, Queen of Portugal
Wikipedia: Maria of Aragon, Queen of Portugal

March 7, 1578 – Death of Margaret Douglas, Countess of Lennox, daughter of Margaret Tudor and mother of Henry Stuart, Lord Darnley; buried in the Henry VII Chapel at Westminster Abbey
Wikipedia: Margaret Douglas

March 7, 1680 – Wedding of Louis, Le Grande Dauphin & Maria Anna of Bavaria
Wikipedia: Louis, Le Grande Dauphin
Wikipedia: Maria Anna of Bavaria

March 7, 1802 – Death of Clotilde of France, Queen of Sardinia
Wikipedia: Clotilde of France, Queen of Sardinia

March 7, 1842 – Death of Paul Friedrich, Grand Duke of Mecklenburg-Schwerin
Wikipedia: Paul Friedrich, Grand Duke of Mecklenburg-Schwerin

March 7, 1901 – Birth of Elisabeth of Luxembourg, Princess of Thurn and Taxis
Wikipedia: Elisabeth of Luxembourg, Princess of Thurn and Taxis

March 7, 1930 – Birth of Antony Armstrong-Jones, husband of Princess Margaret of the United Kingdom, in London, England
Full name: Antony Charles Robert
Wikipedia: Antony Armstrong-Jones, Earl of Snowdon

March 7, 1943 – Wedding of Prince Franz Josef II of Liechtenstein and Georgina, Countess von Wilczeck in Vaduz, Liechtenstein
Wikipedia: Franz Josef II of Liechtenstein
Wikipedia: Georgina von Wilczeck

March 7, 1965 – Death of Louise of Battenberg (Lady Louise Mountbatten), second wife of King Gustaf VI Adolf of Sweden, at Saint Göran Hospital in Stockholm, Sweden; buried at the Royal Burial Ground in Haga, Sweden
Wikipedia: Louise of Battenberg

March 7, 1978 – Birth of Sophie of Isenburg, Princess of Prussia
Wikipedia: Sophie of Isenburg, Princess of Prussia

March 7, 2009 – Birth of Umberto of Savoy
Wikipedia: Umberto of Savoy

John of Gaunt; Photo Credit – Wikipedia

March 6, 1052 – Death of Emma of Normandy, Queen Consort of England, Norway, and Denmark
Emma was successively the wife of Aethelred of England and Cnut the Great of Denmark, Norway and England. She was the mother of English kings Harthacnut and Edward the Confessor.
Wikipedia: Emma of Normandy, Queen Consort of England, Norway, and Denmark

March 6, 1340 – Birth of John of Gaunt, son of King Edward III of England, in Ghent, Belgium
Wikipedia: John of Gaunt

March 6, 1405 – Birth of John II of Castile
Wikipedia: John II of Castile

March 6, 1817 – Birth of Clémentine of Orléans
Clémentine was the mother of Ferdinand I of Bulgaria.
Wikipedia: Clémentine of Orléans

March 6, 1823 – Birth of King Charles I of Württemberg in Stuttgart, Kingdom of Württemberg (Germany)
Wikipedia: Charles I of Württemberg

March 6, 1903 – Birth of Princess Kuni Nagako, wife of Emperor Hirohito of Japan, in Tokyo, Japan
Wikipedia: Empress Kojun

March 6, 1939 – Birth of Infanta Margarita of Spain, Duchess of Soria
Margarita is the younger sister of Juan Carlos of Spain. She has been blind since birth.
Wikipedia: Infanta Margarita of Spain, Duchess of Soria

March 6, 1954 – Death of Charles Edward, Duke of Saxe-Coburg and Gotha, grandson of Queen Victoria, in Coburg, Germany
Prince Charles Edward was the son of Prince Leopold, Duke of Albany and Princess Helen of Waldeck-Pyrmont.  Charles Edward was born after his father’s death and was Duke of Albany at birth.  At age 14, he became Duke of Saxe-Coburg-Gotha upon the death of his uncle Prince Alfred.  Charles Edward married Princess Victoria Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg.  Their daughter Princess Sibylla was the mother of the current king of Sweden, Carl XVI Gustaf.
Wikipedia: Charles Edward, Duke of Saxe-Coburg and Gotha

March 6, 1964 – Death of King Paul I of Greece at Tatoi near Athens, Greece; buried at the Tatoi Royal Cemetery
Wikipedia: Paul of Greece

March 6, 1999 – Death of Sheikh Isa II bin Salman Al Khalifa, Emir of Bahrain at the al-Sakhir Palace; buried at the Al-Rifa’a Cemetery
Wikipedia: Sheikh Isa II bin Salman Al Khalifa

King Henry II of England; Photo Credit – Wikipedia

March 5, 1133 – Birth of King Henry II of England in Le Mans, Anjou, France
Wikipedia: Henry II of England

March 5, 1324 – Birth of King David II of Scotland at Dunfermline Palace in Fife, Scotland
Wikipedia: David II of Scotland

March 5, 1326 – Birth of Louis I of Hungary
Wikipedia: Louis I of Hungary

March 5, 1585 – Birth of John George I, Elector of Saxony
Wikipedia: John George I, Elector of Saxony

March 5, 1622 – Death of Ranuccio I Farnese, Duke of Parma, Piacenza & Castro
Wikipedia: Ranuccio I Farnese, Duke of Parma, Piacenza & Castro

March 5, 1723 – Birth of Princess Mary of Great Britain, daughter of King George II of Great Britain, at Leicester House in London, England
Wikipedia: Princess Mary of Great Britain

March 5, 1760 – Wedding of Carolina of Orange-Nassau & Karl Christian of Nassau-Weilburg
Wikipedia: Carolina of Orange-Nassau
Wikipedia: Karl Christian of Nassau-Weilburg

March 5, 1855 – Birth of Archduchess Sophie of Austria
Sophie was the eldest child of Austrian Emperor Franz Josef and Elisabeth of Bavaria. She died of fever and dysentery at age 2.
Wikipedia: Archduchess Sophie of Austria

March 5, 1997 – Queen Elizabeth II of the United Kingdom launches the first official British royal website
Official Website of the British Monarchy

Prince Henry of Portugal (the Navigator); Photo Credit – Wikipedia

March 4, 1152 – Frederick I (Barbarossa) elected Holy Roman Emperor
Emperor Frederick Barbarossa has appeared in German stories for centuries. He supposedly awakens from his sleep in a mountain in central Germany every hundred years to see if Germany needs his help as a leader.
Wikipedia: Frederick I, Holy Roman Emperor

March 4, 1188 – Birth of Blanche of Castile, wife of King Louis VIII of France, in Palencia, Spain
Wikipedia: Blanche of Castile

March 4, 1238 – Death of Joan of England, daughter of King John, at Havering-atte-Bower in Essex, England; buried at Tarrant Crawford Abbey in Dorset, England
Joan was the eldest daughter and third child of King John and Isabella of Angouleme.  She married King Alexander II of Scotland but they had no children.
Wikipedia: Joan of England

March 4, 1394 – Birth of Prince Henry the Navigator, sponsor of Portuguese explorers, in Oporto, Portugal
Prince Henry was a grandson of John of Gaunt, son of King Edward III of England.
Wikipedia: Henry the Navigator

March 4, 1821 – Death of Princess Elizabeth of Clarence, daughter of King William IV of the United Kingdom, at St. James Palace in London, England, buried at St. George’s Chapel, Windsor Castle
Elizabeth was the daughter of William, Duke of Clarence (the future William IV) and Adelaide of Saxe-Meiningen.  She was born prematurely on December 10, 1820.  Elizabeth seemed to be in good health but she developed a fever and had convulsions on March 1, 1821.  The cause of death was a strangulated hernia which was untreatable in 1821.  During her short life, she was third in line to the throne and would have been queen instead of her cousin Victoria if she had lived.
Wikipedia: Elizabeth of Clarence

Mary Tudor and Charles Brandon; Photo Credit – Wikipedia

March 3, 1040 – Death of St. Cunigunde of Luxembourg
Wikipedia: St. Cunigunde of Luxembourg

March 3, 1455 – Birth of King João II of Portugal at Alcáçovas Palace, Castle of São Jorge in Lisbon, Portugal
Wikipedia: João II of Portugal

March 3, 1515 – Wedding (2nd) of Mary Tudor (daughter of King Henry VII of England and sister of King Henry VIII of England) and Charles Brandon, 1st Duke of Suffolk in Paris, France
Wikipedia: Mary Tudor
Wikipedia: Charles Brandon

March 3, 1528 – Wedding (3rd) of Margaret Tudor (daughter of King Henry VII of England and sister of King Henry VIII of England), and Henry Stewart, Lord Methven
Wikipedia: Margaret Tudor
Wikipedia: Henry Stewart, Lord Methven

March 3, 1554 – Death of John Frederick I, Elector of Saxony
Wikipedia: John Frederick I, Elector of Saxony

March 3, 1778 – Birth of Frederica of Mecklenburg-Strelitz, wife of Ernest, Duke of Cumberland, King of Hanover, at Hanover, Germany
Full name: Friederike Luise Caroline Sophie Alexandrine
Frederica and Ernest were first cousins.
Wikipedia: Frederica of Mecklenburg-Strelitz

March 3, 1861 – Tsar Alexander II of Russia abolishes serfdom
Wikipedia: Alexander II of Russia
Wikipedia: Emancipation Reform of 1861

March 3, 1862 – Death of Augusta Reuss of Köstritz, Grand Duchess of Mecklenburg-Schwerin
Wikipedia: Augusta Reuss of Köstritz, Grand Duchess of Mecklenburg-Schwerin

March 3, 1876 – Birth of Maria of Greece
Wikipedia: Maria of Greece

March 3, 1997 – Birth of Infanta Maria Francisca of Portugal
Maria Francisca is the second child and only daughter of Duarte Pio, Duke of Braganza and Isabel Castro Curvelo de Herédia. Duarte Pio is the current pretender to the Portuguese throne.
Wikipedia: Infanta Maria Francisca of Portugal