December 7, 1545 – Birth of Henry Stuart, Lord Darnley, son of Matthew Stuart, 4th Earl of Lennox and Margaret Douglas (daughter of Margaret Tudor), at Temple Newsham in Yorkshire, England
Lord Darnley was the second husband of Mary, Queen of Scots and the father of King James VI of Scotland/James I of England.
Unofficial Royalty: Henry Stuart, Lord Darnley, King Consort of Scotland
December 7, 1724 – Birth of Louise of Great Britain, Queen of Denmark, daughter of King George II of Great Britain, first wife of King Frederik V of Denmark, at Leicester House in London, England
Unofficial Royalty: Louise of Great Britain, Queen of Denmark
December 7, 1803 – Birth of Maria Josepha of Saxony, Queen of Spain, third wife of King Ferdinand VII of Spain, in Dresden, Electorate of Saxony, now in Saxony, Germany
Full name: Maria Josepha Amalia Beatrix Xaveria Vincentia Aloysia Franziska de Paula Franziska de Chantal Anna Apollonia Johanna Nepomucena Walburga Theresia Ambrosia
Unofficial Royalty: Maria Josepha of Saxony, Queen of Spain
December 7, 1805 – Death of Hereditary Prince Frederik of Denmark, son of King Frederick V of Denmark and his second wife Juliana Maria of Braunschweig-Wolfenbüttel, at Amalienborg Palace in Copenhagen, Denmark; buried at Roskilde Cathedral in Roskilde, Denmark
Frederik was the heir presumptive to the throne and acted as regent for his mentally unstable half-brother King Christian VII from 1772 to 1784. He was the father of King Christian VIII of Denmark.
Unofficial Royalty: Hereditary Prince Frederik of Denmark
December 7, 1807 – Birth of Feodora of Leiningen, Princess of Hohenlohe-Langenburg in Amorbach, Principality of Leiningen, now in Bavaria, Germany
Full name: Anna Feodora Auguste Charlotte Wilhelmine
Feodora was the maternal half-sister of Queen Victoria.
Unofficial Royalty: Feodora of Leiningen, Princess of Hohenlohe-Langenburg
December 7, 2003 – Birth of Catharina-Amalia, Princess of Orange, daughter and heir of King Willem-Alexander of the Netherlands, at Bronovo Hospital in The Hague, the Netherlands
Full name: Catharina-Amalia Beatrix Carmen Victoria
Unofficial Royalty: Catharina-Amalia, Princess of Orange