WByzantine–Bulgarian warsWBulgar–Serb War (839–842)WBulgar–Serb War (853)WByzantine–Bulgarian war of 894–896WÖz Beg KhanWSavoyard crusadeWUprising of Asen and PeterWUprising of Georgi VoytehWUprising of IvayloWUprising of Petar and BoyanWUprising of Peter Delyan
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