The Yalta Conference in February 1945 involved Roosevelt, Churchill, and Stalin who were discussing the post war Europe, leading to different agreements on dividing Germany and forming the United Nations. However, different views on Eastern Europe and Poland worsened the tensions that contributed to the Cold War.

The Marshall Plan generated a resurgence of European industrialization and brought extensive investment into the region. It was also a stimulant to the U.S. economy by establishing markets for American goods.

Colombia's violence started in 1948 as an ugly political war between the country's Liberals and Conservatives that was triggered by the assassination of Liberal Party Leader Jorge Eliecer Gaitan.

After Israel declared its independence on May 14, 1948, the fighting intensified with other Arab forces joining the Palestinian Arabs in attacking territory in the former Palestinian mandate

The North Atlantic Treaty Organization was created in 1949 by the United States, Canada, and several Western European nations to provide collective security against the Soviet Union.

The Republic of China retreated to the island of Taiwan by December 1949. The CCP remains the sole ruling party of China, officially the People's Republic of China (PRC), since October 1, 1949. The PRC officially claims Taiwan as its 23rd province as Taiwan Province, People's Republic of China in its constitution.

The Korean War started on 25 June 1950 and ended on 27 July 1953, after the signing of an armistice agreeing that the country would remain divided.

The Warsaw Treaty Organization (also known as the Warsaw Pact) was a political and military alliance established on May 14, 1955 between the Soviet Union and several Eastern European countries.

The Soviet Union invaded Hungary in 1956 during the Hungarian Revolution. The uprising began in October when citizens began to protest against the communist government and called for reforms. Initially, the Soviets withdrew their troops, but they later re-entered the country in November to suppress the revolution forcibly. This invasion led to significant casualties and ultimately reinforced Soviet control over Hungary until the end of the Cold War.

The Cuban Revolution was a pivotal event that took place from 1953 to 1959, culminating with the overthrow of the Cuban dictator Fulgencio Batista. Led by Fidel Castro, along with key figures like Che Guevara and Camilo Cienfuegos, the revolt was fueled by widespread discontent with Batista’s authoritarian regime, social inequalities, and economic issues.