The Medieval Period, which serves as the historical backdrop for Age of Empires IV, began around the fall of the Western Roman Empire, marking the start of the Middle Ages in Europe.
The bubonic plague pandemic struck Europe, killing a large portion of the population and drastically affecting the social and economic structures of medieval society.
Establishment of the Kingdom of England, marking the early medieval period in the British Isles and setting the stage for future conflicts and expansions.
Mongol armies under Batu Khan advance into Eastern Europe, devastating many principalities and altering the balance of power in the region.
Establishment of the Delhi Sultanate in Northern India, leading to major cultural and military developments.
English forces achieve a major victory against the French during the Hundred Years' War, showcasing the effectiveness of longbowmen.
The Ming Dynasty is established in China after overthrowing the Mongol-led Yuan Dynasty, initiating a new era of stability and cultural flourishing.
Joan of Arc inspires French troops and leads them to important victories during the Hundred Years' War, significantly boosting French morale.
