The term is used when referring to an apocryphal apocalyptic chronicle written in Bulgaria in the late eleventh or early twelfth century.
[3] Such chronicles were relatively common in Bulgaria and Byzantium of that period, and their defining characteristic was that they purported to come from a prophet, delivering God's message and announcing that the Apocalypse is near.
According to him that work provides a narrative from 1296 to the death of Sultan Bayezid I in 1403 and only has a few brief and rather inaccurate entries focusing on the Ottoman civil war.
Göyünç, Kreiser and Neumann discuss the work of that name noting that it reaches the year 1417 and that has been "identified as an Old-Bulgarian translation of the Byzantine chronicle of John Chortasmenos.
[10] For the reasons mentioned above, it is not certain whether the scholars in question are discussing a single chronicle, ending in the early 15th century, or several different ones.