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Events on Saturday 20 December 1355 1
1308 – 1355Stefan Dušan (1308-1355)Died 20 December 1355, aged 47Stefan Dušan expanded the Serbian state into the Serbian Empire, conquering large territories across the Balkans and having himself crowned emperor in 1346. His sudden death while preparing a campaign against Byzantium left the empire without a strong successor. Serbian power fragmented rapidly under his son Stefan Uroš V, ending the empire within decades.