July 17 – Krum reachesConstantinople, andsets his camp outside the walls. He is given an invitation, and a promise of safe conduct, to meet Leo V. Krum sets out unarmed for the capital with only a small escort, but isambushed and manages to escape. After this unsuccessful Byzantine murder attempt, the Bulgars ravage much ofEastern Thrace.[1]
Autumn –Siege of Adrianople: Krum captures Adrianople—one of the most important Byzantine fortresses inThrace—after being attacked withsiege engines. Thegarrison is forced to surrender, due tostarvation. On the orders of Krum, the population of the surrounding area (numbering about 10,000) is transferred to Bulgarian territory, north of theDanube.[2]