Parvanov defended his doctoral thesis in history, which is titled "Dimitar Blagoev and the Bulgarian national question 1879-1917"
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Parvanov defended his doctoral thesis in history, which is titled "Dimitar Blagoev and the Bulgarian national question 1879-1917"
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-21 from Wikipedia. The archived copy is preserved so this citation survives link rot.