Fidel Castro in the context of "Marxist–Leninist"

The Cuban Missile Crisis, also known as the October Crisis (Spanish: Crisis de Octubre) in Cuba, or the Caribbean Crisis (Russian: Карибский кризис, romanized: Karibskiy krizis), was a 13-day confrontation between the governments of the United States and the Soviet Union, when American deployments of nuclear missiles in the United Kingdom, Italy and Turkey were matched by Soviet deployments of nuclear missiles in Cuba. The crisis lasted from 16 to 28 October 1962. The confrontation is widely considered the closest the Cold War came to escalating into full-scale nuclear war.

From 1959, the US government based Thor nuclear missiles in England, known as Project Emily. In 1961, the US put Jupiter nuclear missiles in Italy and Turkey. All were within range of Moscow. The US had trained a paramilitary force of Cuban expatriates, which the CIA led in an attempt to invade Cuba and overthrow its government. Starting in November of that year, the US government engaged in a violent campaign of terrorism and sabotage in Cuba, referred to as the Cuban Project, which continued throughout the first half of the 1960s. The Soviet administration was concerned about a Cuban drift towards China, with which the Soviets had an increasingly fractious relationship. In response to these factors the Soviet and Cuban governments agreed, at a meeting between leaders Nikita Khrushchev and Fidel Castro in July 1962, to place nuclear missiles on Cuba to deter a future US invasion. Construction of launch facilities started shortly thereafter.

Cuba, officially the Republic of Cuba, is an island country in the Caribbean. It comprises 4,195 islands, islets and cays, including the eponymous main island and Isla de la Juventud. Situated at the confluence of the Caribbean Sea, Gulf of Mexico, and Atlantic Ocean, Cuba is located east of the Yucatán Peninsula, south of both Florida (the United States) and the Bahamas, west of Hispaniola (Haiti and the Dominican Republic), and north of Jamaica and the Cayman Islands. Havana is the largest city and capital. Cuba is the third-most populous country in the Caribbean after Haiti and the Dominican Republic, with about 10 million inhabitants. It is the largest country in the Caribbean by area. Culturally, Cuba is considered part of Latin America.

Cuba was inhabited as early as the fourth millennium BC, with the Guanahatabey and Taíno peoples present at the time of Spanish colonization in the 15th century. Cuba remained part of the Spanish Empire until the Spanish–American War of 1898, after which it was occupied by the United States and gained independence in 1902. A 1933 coup toppled the democratically elected government of Carlos Manuel de Céspedes y Quesada and began a long period of military influence, particularly by Fulgencio Batista. In 1940, Cuba implemented a new constitution, but mounting political unrest culminated in the 1952 Cuban coup d'état by Batista. His autocratic government was overthrown in January 1959 by the 26th of July Movement during the Cuban Revolution. That revolution established communist rule under the leadership of Fidel Castro. The country under Castro was a point of contention during the Cold War between the Soviet Union and the United States, and the Cuban Missile Crisis of 1962 is widely considered the closest the Cold War came to escalating into nuclear war.

Cubans (Spanish: Cubanos) are the citizens and nationals of Cuba. The Cuban people have varied origins with the most spoken language being Spanish. The larger Cuban diaspora includes individuals that trace ancestry to Cuba and self-identify as Cuban but are not necessarily Cuban by citizenship. The United States has the largest Cuban population in the world after Cuba.

The modern nation of Cuba, located in the Caribbean, emerged as an independent country following the Spanish-American War of 1898, which led to the end of Spanish colonial rule. The subsequent period of American influence, culminating in the formal independence of Cuba in 1902, initiated a complex process of national identity formation. This identity is characterized by a blend of Indigenous Taíno, African, and Spanish cultural elements, reflecting a unique multicultural heritage. The Cuban Revolution of 1959, which brought Fidel Castro to power, marked a significant turning point as it transformed the political landscape, reinforced a sense of national identity centered around revolutionary and socialist ideals and led to the continuing Cuban exodus, establishing the Cuban Diaspora.

The Bay of Pigs Invasion (Spanish: Invasión de la Bahía de los Cochinos, sometimes called Invasión de Playa Girón or Batalla de Playa Girón after the Playa Girón) was a failed military landing operation on the southwestern coast of Cuba in April 1961 by the United States and the Cuban Democratic Revolutionary Front (DRF), consisting of Cuban exiles who opposed Fidel Castro's Cuban Revolution, clandestinely and directly financed by the U.S. government. The operation took place at the height of the Cold War, and its failure influenced relations between Cuba, the United States, and the Soviet Union.

By early 1960, President Eisenhower had begun contemplating ways to remove Castro. In accordance with this goal, Eisenhower eventually approved Richard Bissell's plan which included training the paramilitary force that would later be used in the Bay of Pigs Invasion. Alongside covert operations, the U.S. also began its embargo of the island. This led Castro to reach out to the U.S.'s Cold War rival, the Soviet Union, after which the U.S. severed diplomatic relations.

The 1950s (pronounced nineteen-fifties; commonly abbreviated as the "Fifties" or the "'50s") (among other variants) was a decade that began on January 1, 1950, and ended on December 31, 1959.

Throughout the decade, the world continued its recovery from World War II, aided by the post-World War II economic expansion. The period also saw great population growth with increased birth rates and the emergence of the baby boomer generation.Despite this recovery, the Cold War developed from its modest beginnings in the late 1940s to a heated competition between the Soviet Union and the United States by the early 1960s. The ideological clash between communism and capitalism dominated the decade, especially in the Northern Hemisphere.

The 26 July Movement (Spanish: Movimiento 26 de julio; M-26-7) was a Cuban vanguard revolutionary organization and later a political party led by Fidel Castro. The movement's name commemorates the failed 1953 attack on the Moncada Barracks in Santiago de Cuba, part of an attempt to overthrow the dictator Fulgencio Batista. M-26-7 is considered the leading organization of the Cuban Revolution.

At the end of 1956, Castro established a guerrilla base in the Sierra Maestra. This base defeated the troops of Batista on 31 December 1958, setting into motion the Cuban Revolution and installing a government led by Manuel Urrutia Lleó. The Movement fought the Batista regime on both rural and urban fronts. The movement's main objectives were distribution of land to peasants, nationalization of public services, industrialization, honest elections, and large-scale education reform.

The Cuban Revolution (Spanish: Revolución cubana) was the military and political movement that overthrew the dictatorship of Fulgencio Batista, who had ruled Cuba from 1952 to 1959. The revolution began after the 1952 Cuban coup d'état, in which Batista overthrew the emerging Cuban democracy and consolidated power. Among those who opposed the coup was Fidel Castro, then a young lawyer, who initially tried to challenge the takeover through legal means in the Cuban courts. When these efforts failed, Fidel Castro and his brother Raúl led an armed assault on the Moncada Barracks, a Cuban military post, on 26 July 1953.

Following the attack's failure, Fidel Castro and his co-conspirators were arrested and formed the 26th of July Movement (M-26-7) in detention. At his trial, Fidel Castro launched into a two-hour speech that won him national fame as he laid out his grievances against the Batista dictatorship. In an attempt to win public approval, Batista granted amnesty to the surviving Moncada Barracks attackers and the Castros fled into exile. During their exile, the Castros consolidated their strategy in Mexico and subsequently reentered Cuba in 1956, accompanied by Che Guevara, whom they had encountered during their time in Mexico.

Brigade 2506 (Brigada Asalto 2506) was a CIA-sponsored group of Cuban exiles formed in 1960 to attempt the military overthrow of the Cuban government headed by Fidel Castro. It carried out the abortive Bay of Pigs Invasion landings in Cuba on 17 April 1961.