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| Krum | |
|---|---|
 A 14th-century depiction of Krum | |
| Khan of Bulgaria | |
| Reign | 803–814 |
| Predecessor | Kardam |
| Successor | Omurtag |
| Died | 13 April 814 |
| Spouse | Unknown |
| Issue | Omurtag Budim |
| House | Krum's dynasty (possibly Dulo) |
| Religion | Tengrism |
Krum (Bulgarian: Крум, Greek: Κροῦμος/Kroumos[a]), often referred to as Krum the Fearsome (Bulgarian: Крум Страшни) was the Khan of Bulgaria from sometime between 796 and 803 until his death in 814. During his reign the Bulgarian territory doubled in size, spreading from the middle Danube to the Dnieper and from Odrin to the Tatra Mountains. His able and energetic rule brought law and order to Bulgaria and developed the rudiments of state organization.[1][2]