The Romans Leave EnglandThis allowed England to begin to govern itself and allow for a king of England to become a powerful leader by being free of Roman control.
Merovingian king unites the FranksThis will allow for the Franks to be united under a single ruler instead of being disconnected and independent groups of people. This King would become powerful with the support of all the individual groups within France.
Pepin Seizes ControlThis will allow for Pepin's son Charlemagne to take the throne and create the Holy Roman Empire which would last would gain power over the course of its existence.
Charlemagne Becomes KingCharlemagne becomes king which allows him to begin the Holy Roman Empire. Which would increase the power of both him the Pope expanding their power across much of Western Europe.
The French Kings Phillip I-IV Begin to Rule FranceThese French Kings drastically increased the power of the French throne. Allowing for the King of France to become largely more powerful.
William the Conqueror Invades EnglandThis made a new monarchy in England give William more power by invading England successfully.
The First Crusade BeginsThe Crusades allow for Christianity to spread all across Europe especially into the nations on the Baltic. The Crusades also captured Jerusalem. This allowed for the influence of the Church to spread allowing for the Pope to gain more influence and power.
The Second Crusade BeginsThe second crusade allowed for the Pope's influence to continue in many areas and in Europe specifically on the Iberian peninsula. This allowed Christianity to spread and the Pope's power and influence to grow.
The 100 Year War BeginsThis war greatly increased the power of France and the King of France by being able to push the English off of their shores and successfully stand up against another kingdom in Europe.
Joan of Arc Walks Into a ConflictThis allowed for the French to successfully beat the English in the 100-year war allowing France to become more powerful and so the King of France becomes more powerful.