deaths
September 17, 1721
Marguerite Louise d'Orléans, French princess (born 1645)
Marguerite Louise d'Orléans
Marguerite Louise d'Orléans was a French princess who became grand duchess of Tuscany as the wife of Grand Duke Cosimo III de' Medici.
September 17
September 17 is the 260th day of the year in the Gregorian calendar; 105 days remain until the end of the year.