Francesco I Sforza, Italian husband of Bianca Maria Visconti (died 1466)

Francesco I Sforza was an Italian condottiero who founded the Sforza dynasty in the duchy of Milan, ruling as its (fourth) duke from 1450 until his death. Renowned for his military skill and political acumen, he was among the few condottieri to successfully transform battlefield success into stable dynastic rule.

Bianca Maria Visconti, also known as Bianca Maria Sforza or Blanca Maria, was Duchess of Milan from 1450 to 1468 by marriage to Francesco I Sforza.

July 23 is the 204th day of the year in the Gregorian calendar; 161 days remain until the end of the year.