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   Fall of the rome empire: this was because the political system was tremendously chaotic, and the Empire had grown excessively. Fall of the rome empire: this was because the political system was tremendously chaotic, and the Empire had grown excessively.
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  The Muslim army captures the holy city of Jerusalem.
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   One of the most characteristic systems of the Middle Ages is feudalism. Relationships as vassalage One of the most characteristic systems of the Middle Ages is feudalism. Relationships as vassalage
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   The Holy Roman Emperor Henry IV humbles himself before the Pope and begs for forgiveness after they have a feud. The Holy Roman Emperor Henry IV humbles himself before the Pope and begs for forgiveness after they have a feud.
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  The University of Oxford is founded in England.
