Book of Boril
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| Country | Bulgaria |
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| Language | Old Bulgarian |
The Book of Boril or Boril Synodic (Bulgarian: Борилов синодик) is a medieval Bulgarian book from the beginning of the 13th century. It is an important source for the history of the Bulgarian Empire.
The book was written in conjunction with the council of tsar Boril against the Bogomils in 1211.
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