Under Ivan Asen II in the first half of the 13th century the country gradually recovered much of its former power, though this did not last long due to internal problems and foreign invasions.
Ivan Asen II ajal 13. sajandi esimesel poolel saavutas riik järk-järgult enamuse oma endisest võimust, kuigi see ei kestnud siseprobleemide ja välissekkumise tõttu kaua.