 In his short prose piece "European Letters" (1820), a 26th-century American travels in Europe, which has fallen back into barbarism.In the satiric fragment "Land of the Headless" (Земля безглавцев, 1824), the protagonist travels to the Moon and finds a dystopian state there.During the doomed Decembrist Uprising, he made an attempt on the life of the tsar's brother Michael.