tiny-librarian:Royal Birthdays for today, March 6th:John of Gaunt, 1st Duke of Lancaster, 1340John I
tiny-librarian:Royal Birthdays for today, March 6th:John of Gaunt, 1st Duke of Lancaster, 1340John II, King of Castile and Leon, 1405Clémentine of Orléans, Princess of Saxe-Coburg and Gotha, 1817Charles I, King of Wurttemberg, 1823Empress Kojun, Empress of Japan, 1903Margarita of Spain, Duchess of Soria, 1939 -- source link