Cold War espionage
Cold War espionage describes the intelligence gathering activities during the Cold War between the United States (CIA, NSA, FBI, and DIA) and the Soviet Union (KGB and GRU). Because each side was prep...
British counter-intelligence against the Indian revolutionary movement during World War I
British counter-intelligence against the Indian revolutionary movement during World War I began from its initial roots in the late-19th century and ultimately came to span in extent from Asia through ...
British counter-intelligence against the Indian revolutionary movement during World War I - Wikipedia
Niedermayer-Hentig Expedition
The Niedermayer–Hentig Expedition was a diplomatic mission to Afghanistan sent by the Central Powers in 1915–1916. The purpose was to encourage Afghanistan to declare full independence from the Britis...
Niedermayer-Hentig Expedition - Wikipedia
American espionage in the Soviet Union
Since the formation of the Soviet Union in 1917, the United States of America has had presence in the Soviet Government. American espionage was not centered on the same goals and ideals as the Soviet ...
MI5(g)
The MI5(g), or the MI5 G section, was a branch of the MI5 that was formed during World War I to address the war time espionage operation by the Indian revolutionary movement in Europe. The department ...
His Last Bow (story)
"His Last Bow", published in September 1917, is one of 56 short stories about Sherlock Holmes written by Sir Arthur Conan Doyle. It was first published in Strand Magazine, and, amongst six other stor...
Soviet espionage in the United States
Since the late 1920s, the Soviet Union, through its GRU, OGPU and NKVD intelligence services, used Russian Jews and foreign-born nationals as well as Communist, and people of American origin to perfor...
Soviet espionage in the United States - Wikipedia
Aksel Larsen
Aksel Larsen (August 5, 1897 – January 10, 1972) was a Danish politician who was chairman of the Communist Party of Denmark and chairman and founder of the Socialist People's Party. Larsen became lead...
Aksel Larsen - Wikipedia
Daniel Bissell (spy)
Daniel Bissell (December 30, 1754 – August 21, 1824) was a soldier and spy for the Continental Army during the American Revolutionary War. He was the son of Daniel and Elizabeth Bissell and was born i...
Black Dispatches
Black Dispatches was a common term used among Union military men in the American Civil War for intelligence on Confederate forces provided by Negroes. This source of information represented a prolific...
Intelligence in the American Revolutionary War
Intelligence in the American Revolutionary War was essentially monitored and sanctioned by the Continental Congress to provide military intelligence to the Continental Army to aid them in fighting the...
Intelligence in the American Revolutionary War - Wikipedia
Thing (listening device)
The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. Because it was passive, being energized an...
Thing (listening device) - Wikipedia
Confederate Army of Manhattan
The Confederate Army of Manhattan was a group of eight Southern operatives who attempted to burn New York City on Evacuation Day, November 25, 1864, during the final stages of the American Civil War.I...
Allied Intelligence Bureau
The Allied Intelligence Bureau (AIB) was a joint United States, Australian, Dutch and British intelligence and special operations agency during World War II. It was responsible for operating parties o...
Colin Grazier
Able Seaman Colin Grazier, GC was posthumously awarded the George Cross for the "outstanding bravery and steadfast devotion to duty in the face of danger" which he displayed on 30 October 1942 in acti...
Colin Grazier - Wikipedia
Cambridge Five
The Cambridge Five were a ring of spies, recruited in part by Soviet scout Arnold Deutsch in the United Kingdom, who passed information to the Soviet Union during World War II and at least into the ea...
Arne Sejr
Arne Sejr (31 January 1922 – July 1998) was a Danish World War II resistance member who became involved in anti-communist activities after the War.One of these activities was the set-up of a private i...
American Civil War spies
Tactical or battlefield intelligence became very vital to both armies in the field during the American Civil War. Units of spies and scouts reported directly to the commanders of armies in the field. ...
American Civil War spies - Wikipedia