astrakhan baku belarusian language census estonian family name geographer given name guberniya indo-european languages kazan kiev minsk moscow nationality nickname nikolayev nizhny novgorod odessa omsk orenburg patronymic polish language riga romance languages rostov-on-don russian census russian empire russian language samara samogitian saratov sart tatar language tomsk tsar tula turkic languages ukrainian language uzbek language vitebsk warsaw world war i yaroslavl