1920s
- Russian Civil War (1917–1923): Between the Bolshevik Red Army and the anti-communist White Army, following the Russian Revolution.
- Chinese Civil War (1927–1949): Between the Kuomintang (Nationalists) and the Chinese Communist Party.
1930s
- Spanish Civil War (1936–1939): Nationalist forces, led by Franco, fought against Republicans; resulted in a Nationalist victory and Francoist dictatorship.
1940s
- Greek Civil War (1946–1949): Between communist insurgents and the Greek government, supported by Western allies.
- Partition of India (1947): While not a formal civil war, the partition led to massive communal violence between Hindus, Muslims, and Sikhs.
1950s
- Malayan Emergency (1948–1960): Communist insurgency against British colonial and later Malaysian government forces.
- Kenyan Mau Mau Uprising (1952–1960): Revolt against British colonial rule in Kenya.
1960s
- Vietnam War (1955–1975): Often classified as a civil war between North and South Vietnam, with significant international involvement.
- Nigerian Civil War (1967–1970): Also known as the Biafran War; conflict over Biafra's attempted secession from Nigeria.
- Dominican Civil War (1965): Between pro- and anti-Trujillo factions, eventually leading to U.S. intervention.
1970s
- Cambodian Civil War (1967–1975): Between the Khmer Rouge and government forces, leading to the establishment of the Khmer Rouge regime.
- Lebanese Civil War (1975–1990): Involving multiple factions and sectarian groups, exacerbated by external interventions.
- Angolan Civil War (1975–2002): Conflict between MPLA, UNITA, and FNLA, with Cold War superpower involvement.
1980s
- El Salvador Civil War (1979–1992): Between the military-led government and leftist insurgents.
- Peruvian Civil War (1980–2000): Conflict involving the Shining Path insurgency.
- Sri Lankan Civil War (1983–2009): Between the Sri Lankan government and the Tamil Tigers, seeking an independent Tamil state.
1990s
- Somali Civil War (1991–present): Ongoing conflict after the collapse of the Siad Barre regime.
- Bosnian War (1992–1995): A civil war and ethnic conflict after the breakup of Yugoslavia.
- Rwandan Genocide and Civil War (1990–1994): Between the Hutu-led government and Tutsi rebels of the Rwandan Patriotic Front.
- Algerian Civil War (1991–2002): Between the government and Islamist rebel groups.
2000s
- Iraqi Civil War (2006–2008): Sectarian conflict following the U.S. invasion of Iraq.
- Darfur Conflict (2003–present): Between the Sudanese government and rebel groups in Sudan's Darfur region.
- Nepalese Civil War (1996–2006): Between Maoist insurgents and the monarchy.
2010s to Present
- Syrian Civil War (2011–present): Ongoing conflict between the Assad regime, rebel groups, and ISIS, with extensive international involvement.
- Libyan Civil Wars (2011 and 2014–2020): After Gaddafi's overthrow, rival factions and militias have vied for control.
- Yemeni Civil War (2014–present): Between the Houthi rebels and the internationally recognized government.
- South Sudan Civil War (2013–2018): Conflict between factions in the world's newest country, South Sudan.
- Ethiopian Tigray War (2020–2022): Between the Ethiopian government and the Tigray People's Liberation Front (TPLF).
Key Takeaways
- Civil wars often arise from ethnic, religious, or political divisions exacerbated by weak governance or external interference.
- Many of these conflicts have had devastating humanitarian consequences, including mass displacement, famine, and war crimes.
- International involvement has often prolonged or escalated these conflicts.
*This list is not exhaustive, as many other conflicts have occurred with varying degrees of intensity and international recognition.