births
Eleanor, Princess of Asturias (died 1425)

Related Wikipedia articles
Eleanor, Princess of Asturias
Heir to the Castilian throne (1423–1425)
Eleanor of Castile was heir presumptive to the throne of the Crown of Castile and Princess of Asturias from 1424 until a few months before her death.Source: Wikipedia (CC BY-SA)
September 10
Day of the year
September 10 is the 253rd day of the year in the Gregorian calendar; 112 days remain until the end of the year.Source: Wikipedia (CC BY-SA)