On a day like today, September 15, in the Spanish Monarchy:
1505: Maria of Austria, Infanta of Castile and Aragon, Archduchess of Austria and Queen of Hungary, is born. Daughter of Juana I.
1607: Carlos of Austria, Infante of Spain, is born. Son of Felipe III
1972: Letizia Ortiz, consort of King Felipe VI of Spain, is born.
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