1881 (MDCCCLXXXI) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1881st year of the Common Era (CE) and Anno Domini (AD) designations, the 881st year of the 2nd millennium, the 81st year of the 19th century, and the 2nd year of the 1880s decade. As of the start of 1881, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.