Task: Text Categorization
Input (English): One man by this name and numerical designation founded the Patarine party, which opposed the marriage of priests, and was elected pope after serving as Bishop of Lucca until 1061. Another man married Henry III's sister Joan and signed the Treaty of York in 1237 after succeeding his father William I as King of Scotland in 1214. Another personage with this name took advice from his minister, Pyotr Shuvalov, throughout his reign, and was honored for his defeat of the Turks with a statue in the middle of Sofia; he also signed the 1856 Treaty of Paris and put down a Polish insurrection. FTP identify this common name and number which most famously identifies the Russian czar who freed the serfs in 1861 and was assassinated by the People's Will in 1881.
Output (English): History