page_title: Bulgarian lands across the Danube
section_title: Second Bulgarian Empire
hierarchical_section_title: Bulgarian lands across the Danube / Second Bulgarian Empire
caption_attribution_description: English: Second Bulgarian Empire under rule of tsar Ivan Assen II. Български: Втората българска държава под управлението на цар Иван Асен ІІ. Based on: map "България (1185-1241)" in the аtlas "Атлас по история и цивилизация за 11 клас ", инж. Любен Цветков, инж. Красимир Андреев, издателство "Картография", София, 2007 г. [1] and map №3: "България през царуването на Иван Асен ІІ (1230-1241)" in the book " Политическа география на средновековната българска държава. Втора част (1186—1396)", Петър Коледаров, Издателство на Българска Академия на Науките, София, 1989 г. [2]
context_page_description: In the Middle Ages the Bulgarian Empire controlled vast areas to the north of the river Danube from its establishment in 681 to its fragmentation in 1371-1422. These lands were called by contemporary Byzantine historians Bulgaria across the Danube, or Transdanubian Bulgaria. Original information for the centuries-old Bulgarian rule there is scarce as the archives of the Bulgarian rulers were destroyed and little is mentioned for this area in Byzantine or Hungarian manuscripts.
context_section_description: There is evidence that the Second Bulgarian Empire ruled at least nominally the Wallachian lands up to the Rucăr–Bran corridor as late as the late 14th century. In a charter by Radu I, the Wallachian voivode requests that tsar Ivan Alexander of Bulgaria order his customs officers at Rucăr and the Dâmboviţa River bridge to collect tax following the law. The presence of Bulgarian customs officers at the Carpathians indicates a Bulgarian suzerainty over those lands, though Radu's imperative tone hints at a strong and increasing Wallachian autonomy.
caption: Bulgaria under Ivan Asen II
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