August 5, 1694:
Leonardo Ortensio Salvatore de Leo is born in San Vito degli Schiavoni (San Vito dei Normanni) in the Kingdom of Naples under Spanish rule.
October 31, 1744:
Leonardo Ortensio Salvatore de Leo dies in Naples, Kingdom of Naples under Spanish rule, aged 50 years, two months, and 26 days.
February 12, 1754:
During the Querelle des Bouffons, the intermezzo Il viatiatori by Leonardo Leo (†9) to words of Palomba, is performed in Paris by the opera company of Eustachio Bambini.