See the Modern History of Serbia, from an autonomous principality to a powerful independent Kingdom, from a communist state to a modern nation.
Sources:
Wikipedia
The Great Eastern Crisis and Aftermath (1875-1879) - DeliriumMaps
WW1-Eastern Front (1914-1918) - Every day - CherepashkaShusha
Yugoslav Partisans during World War II - Balkan History
Music:
At Launch - Kevin Macleod
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