contributions to Russian society.

Knowledge of Yermak's upbringing and voyages pales in comparison to that of other explorers. Historians encounter serious difficulties when attempting to piece together the specifics of Yermak's life and exploits because the two key, primary sources about Yermak may be biased or inaccurate. These sources are the Stroganov Chronicle and the Sinodnik. The Stroganov Chronicle was commissioned by the Stroganov family itself, therefore it exaggerates the family's