Petr Chaadaev's First Philosophic Letter (Pervoe filosoficheskoe pis'mo) was published in September (Old Style) 1836, in the fifteenth issue of Teleskop, the mediocre magazine owned and edited by Nikolai Nadezhdin. The Letter, probably the most celebrated article in the country's history, dispraised Russia in her past and present as an exception to the universal laws of humanity, despaired of her future, deplored her Orthodoxy, described her as a pariah among the nations of both East and West, and denied that she possessed a true civilization; the essay had a strong providentialist, chiliastic, and Catholic flavor.
Chaadaev thus defined the terrain, the terms, and even the tone for the public debate—the first of its kind in Russia—between Slavophiles and Westernizers in the 1830s and 1840s, and he can be said to have inaugurated that debate. Chaadaev opened the discussion of the destiny of Russia on a note of attack.