In the history of Europe, the Middle Ages or medieval period lasted approximately from 500 AD to 1500, although some prefer other start and end dates. The Middle Ages is the second of the three traditional divisions of Western history: antiquity, medieval, and modern. Major developments include the predominance of agriculture in the economy, the exploitation of the peasantry, slow interregional communication, the importance of interpersonal relations in power structures, and the fragility of state bureaucracy. The medieval period is itself sometimes subdivided into the Early, High, and Late Middle Ages, and the early medieval period is alternatively referred to as the Dark Ages.

Late antiquity is sometimes defined as spanning from the end of classical antiquity to the local start of the Middle Ages, from around the late 3rd century up to the 7th or 8th century in Europe and adjacent areas bordering the Mediterranean Basin depending on location. The popularisation of this periodization in English has generally been credited to historian Peter Brown, who proposed a period between 150–750 AD. The Oxford Centre for Late Antiquity defines it as "the period between approximately 250 and 750 AD". Precise boundaries for the period are a continuing matter of debate. In the West, its end was earlier, with the start of the Early Middle Ages typically placed in the 6th century, or even earlier on the edges of the Western Roman Empire.