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| 1185 | Succession Bulgaria Peter II |  |
| Sofia Succeeds as King of Bulgaria |
| 1186 | Independence Bulgaria Ivan Asen I | |
| Sofia Establishes the Independence of Bulgaria |
| Thrace During 1185 and 1186 the Bulgarians take over most of Moesia and raid across the Balkan mountains into Thrace |
| Moesia During 1185 and 1186 the Bulgarians take over most of Moesia and raid across the Balkan mountains into Thrace |
| 1187 | Succession Bulgaria Ivan Asen I | |
| Sofia Succeeds as Emperor of Bulgaria |
| 1189 | Coronation Bulgaria Ivan Asen I | |
| Peter IV has Ivan Asen I crowned as co-emperor in 1189 and, without abdicating, retires to Preslav |
| 1191 | Capture of Nis Bulgaria Ivan Asen I | |
| Nis The Bulgarians capture the areas of Sredec (Sofia) and Nis |
| Sofia The Bulgarians capture the areas of Sredec (Sofia) and Nis |
| Nis The Bulgarians capture the areas of Sredec (Sofia) and Nis |
| Sofia The Bulgarians capture the areas of Sredec (Sofia) and Nis |
| 1196 | Assassination Bulgaria Ivan Asen I | |
| Prosek Ivan Asen I is murdered by Ivanko, one of his military commanders, who was threatened with punishment for an affair with the sister of Ivan Asen I's wife |
| Prosek Ivan Asen I is murdered by Ivanko, one of his military commanders, who was threatened with punishment for an affair with the sister of Ivan Asen I's wife |
| 1196 | Restoration Bulgaria Peter II | |
| Sofia Restored to the throne of Bulgaria |
| 1196 | Rule of Melnik Bulgaria Ivan Asen I | |
| Melnic The Bulgarians capture Melnik and Prosek |
| Prosek The Bulgarians capture Melnik and Prosek |
| 1197 | Succession Bulgaria Kaloyan | |
| Sofia Succeeds as King of Bulgaria |
| 1207 | Exile of Ivan Asen II Bulgaria Ivan Asen II | |
| After the death of his uncle Kaloyan in 1207, Ivan Asen's cousin, Boril, usurped the throne and forced him to flee to the Russian principality of Galicia-Volhynia |
| 1207 | Succession Bulgaria Boril | |
| Sofia Succeeds as King of Bulgaria |
| 1218 | Exile of Ivan Asen II Bulgaria Ivan Asen II | |
| The return of Andrew II of Hungary from the Fifth Crusade in 1218 provides an opportunity to establish a marriage Alliance and to obtain (probably in 1221) the return of the disputed territories around Belgrade on the Danube as th |
| Sofia Succeeds as Emperor of Bulgaria, rules as Emperor (Tsar) of Bulgaria from 1218 to 1241, during the Second Bulgarian Empire |
| 1232 | Siege of Belgrade Bulgaria Ivan Asen II | |
| Belgrade The Hungarians seize the Belgrade area and attack Sredec (Sofia), but are defeated by Ivan Asen II's brother Alexander |
| Sofia The Hungarians seize the Belgrade area and attack Sredec (Sofia), but are defeated by Ivan Asen II's brother Alexander |
| 1234 | Rule of Serbia Bulgaria Ivan Asen II | |
| A Bulgarian-aided Coup d'‚tat in Serbia topples Stefan Radoslav, a son-in-law of Theodore of Epirus , and replaces him with his brother Stefan Vladislav I, a son-in-law of Ivan Asen II |
| 1235 | Rule of Bulgaria Bulgaria Ivan Asen II | |
| Responsible for the restoration of the autocephalous Bulgarian patriarchate |
| 1241 | Death Bulgaria Ivan Asen II | |
| 24th June Death of Ivan Asen II |
| Defeated by the Mongol army of Batu Khan in the course of its retreat from Hungary |
| 1241 | Succession Bulgaria Koloman I | |
| Sofia Succeeds as King of Bulgaria |
| 1242 | Invasion of Bulgaria Bulgaria Ivan Asen II | |
| A new Mongol invasion forces Bulgaria to become a tributary to the Golden Horde |
| A new Mongol invasion forces Bulgaria to become a tributary to the Golden Horde |
| 1246 | Succession Bulgaria Michael II | |
| Sofia Succeeds as King of Bulgaria |
| 1256 | Succession Bulgaria Koloman II | |
| Sofia Succeeds as King of Bulgaria |
| 1257 | Succession Bulgaria Constantine Tikh | |
| Sofia Succeeds as King of Bulgaria |
| 1277 | Succession Bulgaria Ivajlo | |
| Sofia Succeeds as King of Bulgaria |
| 1279 | Succession Bulgaria Ivan Asen III | |
| Sofia Succeeds as King of Bulgaria |
