- World War II (1939-1945)
- The most destructive conflict in human history, involving more than 100 countries.
- Resulted in the deaths of millions of people, including civilians and military personnel.
- Ended with the defeat of Germany and Japan, and the rise of the United States and the Soviet Union as superpowers.
- The Holocaust (1941-1945)
- The systematic extermination of six million Jews by the Nazi regime.
- One of the most horrific crimes in human history.
- The Cold War (1947-1991)
- A global conflict between the United States and the Soviet Union.
- Fought primarily through political, economic, and military competition.
- Ended with the collapse of the Soviet Union.
- The Korean War (1950-1953)
- A conflict between North Korea and South Korea, supported by the United States and China, respectively.
- Ended in a stalemate, with the two Koreas still divided today.
- The Chinese Civil War (1927-1949)
- A conflict between the Kuomintang and the Chinese Communist Party.
- Resulted in the victory of the Chinese Communist Party and the establishment of the People's Republic of China.
- The Indian Independence Movement (1857-1947)
- A struggle for independence from British rule in India.
- Led by figures like Mahatma Gandhi and Jawaharlal Nehru.
- Resulted in the independence of India in 1947.
- The Indonesian National Revolution (1945-1949)
- A conflict between Indonesia and the Netherlands.
- Resulted in the independence of Indonesia in 1949.
- The Arab-Israeli Conflict (1948-present)
- A conflict between Israel and its Arab neighbors.
- Has led to several wars, including the Six-Day War in 1967 and the Yom Kippur War in 1973.
- Still ongoing today.
- The Vietnam War (1955-1975)
- A conflict between North Vietnam and South Vietnam, supported by the United States and the Soviet Union, respectively.
- Ended with the victory of North Vietnam and the reunification of Vietnam.