 In 1812, after the Finnish War the monastery administratively became part of the newly formed Grand Duchy of Finland, along with the rest of "Old Finland".The golden age of the monastery came with the 19th century, when its fame spread to the imperial capital and the island was visited by eminent visitors from Saint Petersburg, including Alexandre Dumas and Fyodor Tyutchev.An 1873 essay by Nikolai Leskov describes his impressions from the monastery.