Given the question: Facts:   - issue: michael peter , emperor of bulgaria ivan benjamin    - caption: seal of simeon i    - succession: emperor of the bulgarians    - spouses: two , unknown names    - reign: 893 -- 27 may 927    - successor: peter i    - mother: maria    - predecessor: vladimir    - death date: 27 may 927      - house: krum dynasty    - father: boris i    - birth date: 864/865    - name: simeon the great    - image size: 250px    - image: seal of simeon i of bulgaria.jpg    - death place: preslav , bulgaria   Based on these bullet points, write a short biography describing the life of simeon i of bulgaria .
The answer is:
simeon -lrb- also symeon -rrb- i the great -lrb- , transliterated `` simeon i veliki '' -rrb- ruled over bulgaria from 893 to 927 , during the first bulgarian empire .simeon 's successful campaigns against the byzantines , magyars and serbs led bulgaria to its greatest territorial expansion ever , making it the most powerful state in contemporary eastern europe .his reign was also a period of unmatched cultural prosperity and enlightenment later deemed the golden age of bulgarian culture .during simeon 's rule , bulgaria spread over a territory between the aegean , the adriatic and the black sea , and the new bulgarian capital preslav was said to rival constantinople .the newly independent bulgarian orthodox church became the first new patriarchate besides the pentarchy , and bulgarian glagolitic translations of christian texts spread all over the slavic world of the time .halfway through his reign , simeon assumed the title of emperor -lrb- `` tsar '' -rrb- , having prior to that been styled prince -lrb- `` knyaz '' -rrb- .