1718 (MDCCXVIII) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1718th year of the Common Era (CE) and Anno Domini (AD) designations, the 718th year of the 2nd millennium, the 18th year of the 18th century, and the 9th year of the 1710s decade. As of the start of 1718, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.