context: Nikolai Sergeevich Tyutchev (August 11, 1856, Moscow -, Petrograd) - Russian revolutionary populist, Narodovolets, earthman, Socialist-Revolutionary. Long-term insurgent, political prisoner; historian, writer, memoirist - the author of memoirs containing valuable information about the revolutionary movement, interesting information about exile and "prison riddles" - including the exposure of many provocateurs, informants and other secret officers of the III division.
question: In what year was Nikolai Sergeyevich Tyutchev born?
answers.text: 1856