events

Secret agent Sidney Reilly, the first "super-spy" of the 20th century, is executed by the OGPU, the secret police of the Soviet Union.

Historical image related to Secret agent Sidney Reilly, the first "super-spy" of the 20th century, is executed by the OGPU, the secret police of the Soviet Union. from November 5, 1925

Espionage

Clandestine acquisition of confidential information

Espionage, spying, or intelligence gathering, as a subfield of the intelligence field, is the act of obtaining secret or confidential information (intelligence). A person who commits espionage on a mission-specific contract is called an espionage agent or spy. A person who…
Source: Wikipedia (CC BY-SA)

Sidney Reilly

Russian-born adventurer and secret agent (1873–1925)

Sidney George Reilly, known as the "Ace of Spies", was a Russian-born adventurer and secret agent employed by Scotland Yard's Special Branch and later by the Foreign Section of the British Secret Service Bureau, the precursor to the modern British Secret Intelligence Service…
Source: Wikipedia (CC BY-SA)

State Political Directorate

Soviet national security agency (1922–1923)

The State Political Directorate, abbreviated as GPU, was the secret police of the Russian Soviet Federative Socialist Republic from February 1922 to November 1923. It was the immediate successor of the Cheka, and was replaced by the Joint State Political Directorate (OGPU).
Source: Wikipedia (CC BY-SA)

Secret police

Intelligence agency which operates in secrecy

Secret police are police, intelligence, or security agencies that engage in covert operations against a government's political, ideological, or social opponents and dissidents. Secret police organizations are characteristic of authoritarian and totalitarian regimes. They protect…
Source: Wikipedia (CC BY-SA)

Soviet Union

Country in Eurasia (1922–1991)

The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 until it dissolved in 1991. During its existence, it was the largest country by area, extending across eleven time zones and…
Source: Wikipedia (CC BY-SA)