What Happened in 1178
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- Jun 18 Five monks at Canterbury report something exploding on the moon shortly after sunset (only known observation) [1]
- Jul 30 Frederick I Barbarossa, Holy Roman Emperor, crowned King of Burgundy
- Aug 29 Anti-Pope Callistus III gives pope title to Alexander III
- Dec 22 Emperor Antoku of Japan, born in Kyoto, Kyoto Prefecture, Japan (d. 1185)
- May 27 Godfried van Rhenen, bishop of Utrecht, dies