The conversation between human and AI assistant.
[|Human|] What is one of the first recorded mentions of the sauna in Finnish literature?
[|AI|] Nestor the Chronicler in 1112. He told of "hot wooden saunas in which naked bathers beat themselves with branches and finally pour cold water over themselves"".
[|Human|] 
What is one of the first recorded mentions of the sauna in Finnish literature?