Kazan Chronicle or Story of the Tsardom of Kazan (Russian: История Казанского Царства) is a document written between 1560 and 1565 by a Muscovite

Muscovite

Muscovite is a phyllosilicate mineral of aluminium and potassium with formula KAl22, or 236. It has a highly-perfect basal cleavage yielding remarkably-thin laminæ which are often highly elastic...

 chronicler. The chronicler introduces himself as a Russian who was held in captivity in Kazan

Kazan

Kazan is the capital and largest city of the Republic of Tatarstan, Russia. With a population of 1,143,546 , it is the eighth most populous city in Russia. Kazan lies at the confluence of the Volga and Kazanka Rivers in European Russia. In April 2009, the Russian Patent Office granted Kazan the...

 for about 20 years until Ivan the Terrible sacked Kazan in 1552. In some sources his name is given as Ioann Glazaty (John the Big Eyes). While in captivity, the chronicler assumed Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

, which gave him substantial freedom to explore the local customs. The document deals with events from formation of Kazan Khanate in the first half of 15th century until its annexion in 1552. The authenticity of events, particularly events before the date when the chronicler came to Kazan, is doubtful. The chronicle contains numerous errors, and what appears to be complete fiction, mixed with genuine historical data. The Chronicle was first published in print in Saint Petersburg

Saint Petersburg

Saint Petersburg is a city and a federal subject of Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea...

in 1790.