context: First Bulgarian Empire ([Първo Българско царство, Părvo Bălgarsko Tsarstvo] error: {{lang-xx}}: text has italic markup (help)) is a country in medieval Bulgaria founded in 632 in the area near the Danube river delta and was disintegrated in 1018 after being annexed by the Byzantine Empire. At the height of its power, Bulgaria stretched from Budapest to the Black Sea and from the Dnieper River in Ukraine to the Adriatic Sea.
question: When was the First Bulgarian Empire established?
answers.text: 632