Year 1453 (MCDLIII) was a common year starting on Monday of the Julian calendar, the 1453rd year of the Common Era (CE) and Anno Domini (AD) designations, the 453rd year of the 2nd millennium, the 53rd year of the 15th century, and the 4th year of the 1450s decade. It is sometimes cited as the notional end of the Middle Ages by historians who define the medieval period as the time between the Fall of the Western Roman Empire and the fall of the Eastern Roman Empire.