1853 (MDCCCLIII) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1853rd year of the Common Era (CE) and Anno Domini (AD) designations, the 853rd year of the 2nd millennium, the 53rd year of the 19th century, and the 4th year of the 1850s decade. As of the start of 1853, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.