events
Cold War: Ethel and Julius Rosenberg are sentenced to death for spying for the Soviet Union.
Related Wikipedia articles
Julius and Ethel Rosenberg
American spies for the Soviet Union (d. 1953)
Julius Rosenberg and Ethel Rosenberg were an American married couple who were convicted of spying for the Soviet Union, including providing top-secret information about American radar, sonar, jet propulsion engines, and nuclear weapon designs. Convicted of espionage in 1951,…Source: Wikipedia (CC BY-SA)
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)
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)