The fall of the Roman Empire 476 AD: By convention this the year of the fall of the Western Roman Empire after the death of the last emperor Romulus Augustulus.
The death of the Prophet Muhammad 632 AD.
The coronation of Charlemagne 800 AD: crowned by the Pope as Holy Roman Emperor.
The Battle of Hastings 1066 AD: battle fought betwenn the Norman-French army of William, Duke of Normandy and an English army under the Anglo-Saxon king Harold Godwinson, It beggins the Norman conquest of England.
The first Crusade 1095 AD: first of a number of crusades which attempted to recapture the Holy Land, called by the Pope Urban II.
The start of the Hundred Years War 1337 AD: A conflict between the House of Plantagente, rulers of the Kingdom of England and the House of Valois, rulers of the Kingdom of France over the right to rule France.
Peasants´ Revolt 1382 AD: also called Wat Tyler´s Rebellion it was the first great popular rebellion in English history.
I want to make some aclarations about the dates, the date of the fall of the Roman Empire is the event that lead to the fallin of the Western Roman Empire. The end of the Roman Empire on the east is related to the fall of Constantinople and it was in the year 1453 AD so it would change the position from the first to the last.
Also the coronation of Charlemagne I put the year of when he was coronated as emperor of Rome, his most significant title but early in the time he was also coronated as King of the Franks in 768 AD and King of the Lombards in 774 AD. Nevertheless this coronations would not change the place in the list.
I hope this answer and aclarations help you. Regards.