August 4, 1060 – Death of King Henri I of France in Vitry-aux-Loges, France; buried at Saint-Denis Basilica near Paris, France

Wikipedia: King Henri I of France

August 4, 1338 – Death of Thomas of Brotherton, 1st Earl of Norfolk, son of King Edward I of England, at Framlingham Castle in Suffolk, England; buried at the Abbey of Bury St. Edmunds in Suffolk, England

Thomas was an ancestor of two of the wives of Henry VIII, Anne Boleyn and Catherine Howard.

Unofficial Royalty: Thomas of Brotherton, 1st Earl of Norfolk

August 4, 1514 – Wedding of Margaret Tudor (second wedding), daughter of King Henry VII of England, and Archibald Douglas, Earl of Angus, at Kinnoul Church in Scotland

Unofficial Royalty: Margaret Tudor, Queen of Scots

Wikipedia: Archibald Douglas, Earl of Angus

August 4, 1699 – Death of Maria Sofia of Neuberg, Queen of Portugal, wife of King Pedro II of Portugal, in Lisbon, Portugal; buried at the Monastery of São Vicente de Fora in Lisbon, Portugal

Wikipedia: Maria Sofia of Neuberg, Queen of Portugal

August 4, 1900 – Birth of Queen Elizabeth The Queen Mother, wife of King George VI of the United Kingdom and mother of Queen Elizabeth II of the United Kingdom, born The Honourable Elizabeth Bowes-Lyon. The exact place of her birth is unknown. She was alleged to have been born in her parents’ home in London, but her birth was registered at Hitchin, Hertfordshire, near her family’s English country house, St Paul’s Walden Bury, which was also given as her birthplace in the census the following year.

Full name: Elizabeth Angela Marguerite

Unofficial Royalty: Queen Elizabeth The Queen Mother

August 4, 1906 – Birth of Queen Marie-Jose of Italy, wife of King Umberto II of Italy, born Princess Marie-Jose of Belgium in Ostend, Belgium

Full name: Marie-Jose Charlotte Sophie Amélie Henriette Gabrielle

Unofficial Royalty: Marie-Jose of Belgium, Queen of Italy

August 4, 1981 – Birth of Meghan, Duchess of Sussex, wife of Prince Harry, Duke of Sussex, born Rachel Meghan Markle in Los Angeles, California

Unofficial Royalty: Meghan, Duchess of Sussex