HISTORICAL ROYAL EVENTS
37 Roman Emperor Caligula accepts the titles of the Principate, entitled to him by the Senate.
193 Roman Emperor Pertinax is assassinated by Praetorian Guards, who then sell the throne in an auction to Didius Julianus.
364 Roman Emperor Valentinian I appoints his brother Flavius Valens co-emperor.
1795 Partitions of Poland: The Duchy of Courland ceases to exist & becomes part of Imperial Russia.
HISTORICAL ROYAL BIRTHS
1522 Albrecht the Warlike, Prince of Bayreuth (d.1557)
1569 Ranuccio I Farnese, Duke of Parma (d.1622)
1613 Empress Xiaozhuangwen of the Qing Dynasty (d.1688)
1910 Queen Ingrid of Denmark (d.2000)
193 Pertinax, Roman Emperor
1072 Ordulf, Duke of Saxony
1239 Emperor Go-Taba of Japan
1285 Pope Martin IV
1884 Prince Leopold, Duke of Albany, son of Queen Victoria
1926 Prince Philippe, Duke of Orleans
1965 The Princess Mary, Princess Royal & Countess of Harewood