Leonid Akimovic Kannegisser (also spelled Kanngießer, in Russian

Russian language

Russian is a Slavic language used primarily in Russia, Belarus, Uzbekistan, Kazakhstan, Tajikistan and Kyrgyzstan. It is an unofficial but widely spoken language in Ukraine, Moldova, Latvia, Turkmenistan and Estonia and, to a lesser extent, the other countries that were once constituent republics...

: Леони́д Иоаки́мович Каннегисер, March 1896, Mikhailov, Russian Empire

Russian Empire

The Russian Empire was a state that existed from 1721 until the Russian Revolution of 1917. It was the successor to the Tsardom of Russia and the predecessor of the Soviet Union...

 - October 1918, Petrograd, Russian SFSR) was a Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n military cadet known for killing Moisei Uritsky

Moisei Uritsky

Moisei Solomonovich Uritsky was a Bolshevik revolutionary leader in Russia.He was born in the city of Cherkasy, Kiev Governorate, to a Jewish family. His father, a merchant, died when Moisei was little and his mother raised her son by herself.Moisei studied law at the University of Kiev...

, chief of Cheka

Cheka

Cheka was the first of a succession of Soviet state security organizations. It was created by a decree issued on December 20, 1917, by Vladimir Lenin and subsequently led by aristocrat-turned-communist Felix Dzerzhinsky...

 in Petrograd, on August 17, 1918.

Biography

Kannegisser was born in March 1896 in Mikhailov, Russian Empire, in a aristocratic family of Jewish origin. In 1913 became a military cadet in the Mikhailov Artillery School of the Imperial Russian Army

Imperial Russian Army

The Imperial Russian Army was the land armed force of the Russian Empire, active from around 1721 to the Russian Revolution of 1917. In the early 1850s, the Russian army consisted of around 938,731 regular soldiers and 245,850 irregulars . Until the time of military reform of Dmitry Milyutin in...

.

After the Bolshevik revolution in 1917, the communist government began to liquidate all their political enemies. In 1918 after reading in the press about a mass execution, where a friend and comrade in arms was executed, he decided to murder Uritsky.

On August 17, 1918 morning he murdered Uritsky in his office. The same day he was arrested and executed shortly afterwards in Petrograd. After the arrest, the Bolsheviks authorities also arrested several members of his family and friends. His parents escaped from Russia and refuge in Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

.

Uritsky's assassination, along with the attempted murder to Lenin by Fanny Kaplan

Fanny Kaplan

Fanny Yefimovna Kaplan , also known as Fanya Kaplan and as Dora Kaplan), was a Russian political revolutionary and an attempted assassin of Vladimir Lenin.-Biography:...

 on August 30, sparked the beginning of the called "Red Terror

Red Terror

The Red Terror in Soviet Russia was the campaign of mass arrests and executions conducted by the Bolshevik government. In Soviet historiography, the Red Terror is described as having been officially announced on September 2, 1918 by Yakov Sverdlov and ended about October 1918...

" by the Bolsheviks.