page_title: 821
hierarchical_section_title: 821
caption_attribution_description: English: Skylitzes Matritensis, fol. 30v, detail. Capture of a city in Asia Minor by the rebel Thomas the Slav
context_page_description: Year 821 was a common year starting on Tuesday of the Julian calendar.
context_section_description: Year 821 (DCCCXXI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.
caption: Thomas the Slav captures cities in Anatolia
exif: {}