Count Alexander von Benckendorff, Russian: граф Александр Христофорович Бенкендорф (graf Aleksandr Khristoforovich Benkendorf), (1783-1844) was a Russian Lieutenant General and statesman, Adjutant General of the Svita and a commander in Patriotic War of 1812. 1783 was a common year starting on Wednesday (see link for calendar). ... 1844 was a leap year starting on Monday (see link for calendar). ... Lieutenant General is a military rank used in many countries. ... An adjutant general is the chief administrative officer to a military general. ... The invasion of the Russian Empire led by Napoleon in 1812 was a critical turning point in the Napoleonic wars. ...

Alexander von Benckendorff was born to a Baltic German family in Reval (now Tallinn, Estonia). The Baltic Germans (Baltendeutsche, Balten, and Deutschbalten respectively), were the ethnically German inhabitants of that area on the Eastern shore of the Baltic Sea which forms today the countries of Latvia. ... The city of Tallinn is the capital city and main seaport of Estonia. ...

In 1821 he tried to warn Alexander I of the Decembrist clandestine organisations, but the Tsar took no actions. After the 1825 Decembrist Revolt, he sat on the investigation committee and lobbied for the creation of the Corps of Gendarmes and the Third Section of His Imperial Majesty's Own Chancellery. He was the first Chief of Gendarmes and Executive Director of the Third Section (1826-1844). Under his management, the Third Section established a strict censorship over literature and theater plays. 1821 was a common year starting on Monday (see link for calendar). ... Aleksander Pavlovich Romanov or Tsar Alexander I (The Blessed), (Russian: Александр I Павлович) (December 23, 1777–December 1, 1825), Emperor of Russia (reigned March 23, 1801–December 1, 1825), King of Poland (reigned 1815–1825), son of the Grand Duke Paul Petrovich, afterwards Paul I, and Maria Fedorovna, daughter of the Duke... This article is about the failed Russian revolt. ... A secret society is a social organization that requires its members to conceal certain activities—such as rites of initiation or club ceremonies—from outsiders. ... 1825 was a common year starting on Saturday (see link for calendar). ... Decembrists at the Senate Square The Decembrist revolt or the Decembrist uprising was attempted in Imperial Russia by army officers who led about 3,000 Russian soldiers on December 14 (December 26 New Style), 1825. ... The Special Corps of Gendarmes (Отдельный корпус жандармов) was the secret military police of the Russian Empire in the 1800s and early 1900s. ... The Third Section was an organization set up in 1826 in Imperial Russia and was designed to combat corruption and champion justice. ... His Imperial Majestys Own Chancellery or H.I.M. Own Chancellery (Russian: ) began as personal chancellery of the Pavel I and grew into a kind of regents office, run by Count Arakcheyev from 1815 and until the death of Alexander I of Russia. ... 1826 was a common year starting on Sunday (see link for calendar). ... 1844 was a leap year starting on Monday (see link for calendar). ... Censorship is the control of speech and other forms of human expression, often in the context of government control. ...

His brother Konstantin von Benkendorff (1785-1828) was a general and diplomat. 1785 was a common year starting on Saturday (see link for calendar). ... 1828 was a leap year starting on Tuesday (see link for calendar). ...