History
 

1147

Generations

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World

General

Population: 347 Million*
  • History: Geoffrey of Monmouth writes "Historia regum Britanniae"
  • Mathematics: Arabic algebra work Al-jebr translated into Latin
  • Religion: Start of Second Crusade following appeal by St. Barnard of Clairvaux to 1149

Africa

  • Morocco: Almohads, opposed group to Almoravids seize Marrakech and go on to capture Spain, Algeria, and Tripoli

Europe

  • General: French and Germans begin second crusade
    Crusaders against the pagan Wends (Slavs) in the Baltic
  • England: Matilda leaves England for France
  • Portugal: Crusaders take Lisbon
    Lisbon cathedral built
  • Russia: First mention of Moscow
  • Spain: Almohads, opposed group to Almoravids seize Marrakech and go on to capture Spain, Algeria, and Tripoli

Middle East

  • Christian Crusaders engage Turks in Palestine
    Crusaders perish in Asia Minor – failure of Second Crusade – failure to capture Damascus



 
 
 
 
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