 | Boril (Bulgarian: Борил) was the emperor (tsar) of Bulgaria from 1207 to 1218. He was the son of an unnamed sister of his predecessor, Kaloyan and Kaloyan's... 17 KB (1,935 words) - 06:39, 16 July 2023 |
 | defeating its first emperor (Baldwin I). Believed to have been murdered. Boril Борил 1207–1218 (11 years) Son of a sister of Peter II, Ivan Asen I and Kaloyan... 102 KB (4,761 words) - 21:26, 26 April 2024 |
 | January 2021. Cherkezov, Zdravko, ed. (17 September 2021). ""Янев 1" успешно борил корупцията, не дотолкова – пандемията". bgonair.bg (in Bulgarian). Retrieved... 449 KB (34,069 words) - 23:00, 25 December 2023 |