1849

1849 (MDCCCXLIX) was a common year starting on Monday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1849th year of the Common Era (CE) and Anno Domini (AD) designations, the 849th year of the 2nd millennium, the 49th year of the 19th century, and the 10th and last year of the 1840s decade.

As of the start of 1849, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.