What is First Bulgarian Empire?
{{Infobox country | native_name = ц︢рьство бл︢гарское | conventional_long_name = First Bulgarian Empire | image_flag = | flag_border = | flag_type = | year_start = 681 | year_end = 991 | era = Middle Ages | status = | government_type = [[Absolute monarchy]] | religion = [[Tengrism]], [[Slavic paganism]] <small>(681–864)</small>,<br />[[Bulgarian Orthodox Church|Orthodox Christianity]] <small>(state religion from 864)</small> | common_languages = [[Bulgar language|Bulgar]],<ref>{{cite book | last = Sedlar | first = Jean W. |url=https://books.google.com/books?id=ANdbpi1WAIQC&pg=PA424| title = East Central Europe in the Middle Ages, 1000–1500| publisher = [[University of Washington Press]] | year = 2011 | isbn = 9780295800646 | page = 424}}</ref><br/>[[Proto-Slavic]],<br />[[Byzantine Greek]],<ref>{{cite book | last = Fletcher | first = Richard A. |url=https://books.google.com/books?id=RB5aWgr7l-gC&pg=PA338 | title = The Barbarian Conversion: from Paganism to Christianity| publisher = [[University of California Press]] | year = 1999 | isbn = 0-520-21859-0| page = 338}}</ref><ref>{{cite book | last = Adrados | first = Francisco Rodríguez |author-link = Francisco Rodríguez Adrados |url=https://books.google.com/books?id=Kx_NjXiMZM0C&pg=PA265 | title = A History of the Greek Language: from its Origins to the Present | publisher = BRILL | year = 2005 | isbn = 90-04-12835-2| page = 265}}</ref><ref>{{harvnb|Curta|2008|pp=350–351}}</ref><br />[[Balkan Romance languages|Balkan Romance]],<br />[[Old Church Slavonic|Church Slavonic]]<ref>Language Contact in Europe The Periphrastic Perfect Through History by Bridget Drinka (2017) Cambridge University Press page 290 (ISBN : 9780521514934)</ref> | event_pre = [[Asparuh of Bulgaria|Asparuh]] arrives and defeats [[Eastern Roman Empire|Eastern Rome]] at the [[Battle of Ongal]] | date_pre = 680 | event_start