1241 (MCCXLI) was a common year starting on Tuesday of the Julian calendar, the 1241st year of the Common Era (CE) and Anno Domini (AD) designations, the 241st year of the 2nd millennium, the 41st year of the 13th century, and the 2nd year of the 1240s decade. As of the start of 1241, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

• April 5 – Mongols of Golden Horde under the command of Subotai defeat feudal Polish nobility, including Knights Templar, in the battle of Liegnitz
• April 27 – Mongols defeat Bela IV of Hungary in the Battle of Sajo.