1726 followed by 1727
1726 (MDCCXXVI) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1726th year of the Common Era (CE) and Anno Domini (AD) designations, the 726th  year of the 2nd millennium, the 26th  year of the 18th century, and the  7th   year of the 1720s decade. As of the start of 1726, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.