1678 - 81 : Yurii Khmelnitsky and the Turks : In 1678 the Turks appointed their prisoner Yurii Khmelnytsky as hetman .
The Turks had a large army in the area .
1678 - 81 : Yurii Khmelnitsky and the Turks : In 1678 the Turks , who had a large army in the area , appointed their prisoner Yurii Khmelnytsky as hetman .