- The Korean War (1950-1953): This conflict took place between North Korea and South Korea, with the involvement of the United States and China supporting their respective allies.
- The Vietnam War (1954-1975): This war involved North and South Vietnam, as well as the United States, which backed South Vietnam.
- The Cold War (1947-1991): This was a period of political tension between the United States and the Soviet Union, two major global superpowers, and their respective allies.
- Various regional conflicts, such as the Arab-Israeli conflicts, the India-Pakistan conflicts, the Yugoslav Wars, and others.
It is worth noting that these are just a few examples, and there have been numerous other smaller-scale conflicts and disputes between different nations and groups after World War 2.