1719 followed by 1720
1719 (MDCCXIX) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1719th year of the Common Era (CE) and Anno Domini (AD) designations, the 719th  year of the 2nd millennium, the 19th  year of the 18th century, and the  10th  and last year of the 1710s decade. As of the start of 1719, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.