1715 followed by 1716
1715 (MDCCXV) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1715th year of the Common Era (CE) and Anno Domini (AD) designations, the 715th  year of the 2nd millennium, the 15th  year of the 18th century, and the  6th   year of the 1710s decade. As of the start of 1715, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.