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The Great Famine, also known as the Great Hunger, the Great Starvation, the Famine, or the Irish Potato Famine, was a period of mass starvation and disease in Ireland from 1845 to 1852.
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The East–West Schism is the break of communion since the 11th century between the Catholic Church and Eastern Orthodox Churches. The schism was the culmination of theological and political differences which had developed during the preceding centuries between Eastern and Western Christianity.
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The Black Death was a bubonic plague pandemic occurring in Afro-Eurasia from 1346–53. It is the most fatal pandemic recorded in human history, resulting in the deaths of up to 75–200 million people in Eurasia and North Africa, peaking in Europe from 1347 to 1351.
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The Magna Carta (“Great Charter”) is a document guaranteeing English political liberties that was drafted at Runnymede, a meadow by the River Thames, and signed by King John on June 15, 1215, under pressure from his rebellious barons.
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The first crusade was a military campaign conducted by the western European forces in attempt to recapture Jerusalem and the Holy Land from Muslim control. The Pope Urban II following an appeal from Byzantine emporer Alexios I Komnenos conceived this crusade. Around 60,000 soldiers and and at least half ahain of non-combatants set off on their mission.
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Charlemagne or Charles the Great; was the King of the Franks, the King of the Lombard and the emperor of the Romans over a period of time. During the beginning of the middle ages he united the majority of western and central Europe.
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The Western Roman Empire was the process of decline in which the Empire wasn’t successful when attempting to enforce its rule, and its territory was then divided into several successor polities.