The Roman Empire.
Roman 410 AD and that is what is the start of the middle ages.
The Empire that collapsed in the Middle ages was the Aztec Empire because the Spanish came with conquistadors. The Aztecs didn't know what horses are yet.
The Middle Ages began after the collapse of the Roman Empire.
At the end of the Roman Empire the next stage is called the Dark Ages. 500 to 1500 AD. Then the Middle Ages (Medieval) followed by the Rennaisance which is the coming out of the dark ages.
The Middle Ages followed the fall of the Roman Empire.
The Roman Empire did not literally fall as if an earthquake happened. Politically the government collapsed. The Visigoths took over the city. This is considered the end of ancient times and the start of the Middle Ages.
Western Europe (Eastern part of the Roman Empire did not collapse and became known as the Byzantine Empire) went into a period of chaos, then arose in the feudal society (Middle Ages)
The Roman Empire was followed by the Middle Ages: Early Middle Ages (5th to 10th century), High Middle Ages (c. 1001 to 1300) and Late Middle Ages (1300 to 1500).
Chariots were raced in the Byzantine Empire in the Early Middle Ages.
war, then the middle ages
It began in 410 AD with the fall of the Roman Empire and lasted a 1000 years.
No one ruled Europe in its entirety. The Roman Empire was the largest country in Europe before the Middle Ages, and it was ruled by its emperors. There is a link below to a list of the Roman Emperors, and those who were emperors before 476 AD were emperors before the Middle Ages began.