Historical Events Oct 25 Giovanni Cassini discovers Iapetus, satellite of Saturn Famous Birthdays Oct 1 Luigi Guido Grandi, Italian mathematician and monk, born in Cremona, Duchy of Milan, Holy Roman Empire (d. 1742) Oct 11 Frederik IV, King of Denmark and Norway (1699-1730), born in Copenhagen, Denmark (d. 1730) Born in 1671 Famous Deaths Oct 26 Sir John Gell, 1st Baronet, English politician (b. 1593) Sep 1671 History by Year Nov 1671 What Happened in 1671 Botched Crown Jewels Theft Pays OffMay 9, 1671