 James died in Rome on 1 January 1766 in his home, the Palazzo Muti, and was buried in the crypt of St. Peter's Basilica in present-day Vatican City.His burial is marked by the Monument to the Royal Stuarts.His claimed reign had lasted for 64 years, 3 months and 16 days, longer than any British monarch until Queen Elizabeth II's reign surpassed it on 23 May 2016.