In the years following the Napoleonic Wars, a mysterious manuscript began to circulate among the dissatisfied noble elite of the Russian Empire. Entitled The History of the Rus', it became one of the most influential historical texts of the modern era. Attributed to an eighteenth-century Orthodox archbishop, it described the heroic struggles of the Ukrainian Cossacks. Alexander Pushkin read the book as a manifestation of Russian national spirit but Taras Shevchenko interpreted it as a quest for Ukrainian national liberation and it would inspire thousands of Ukrainians to fight for the freedom...