Complex sentence: Koçkiri Rebellion was a rebellion of Alevi (Kurdish dominant) uprising, of the 1920, in the overwhelmingly militant Kizilbash Dersim region, while waged by the Kizilbash Koçkiri tribe, was masterminded by members of an organisation known as the "Kürt Taâlî Cemiyeti".
Split into simpler sentences: Koçkiri Rebellion was a (predominantly Kurdish) Alevi uprising in 1920, in the overwhelmingly militant Kizilbash Dersim region. While waged by the Kizilbash Koçkiri tribe, it was masterminded by members of an organisation known as the "Kürt Taâlî Cemiyeti".