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This is a list of wars involving the Republic of Yemen and its predecessor states.

North Yemen

Conflict	Combatant 1	Combatant 2	Result	Head of State
1931 Saudi–Yemeni border skirmish (1931)	Kingdom of Yemen	Kingdom of Hejaz and Nejd	Unclear	Imam Yahya
Najran conflict (1931/1932–1932)	Kingdom of Yemen	Kingdom of Hejaz and Nejd	Defeat Yemeni invasion of Saudi Arabia repelled
Saudi–Yemeni War (1934)	Kingdom of Yemen	Saudi Arabia	Defeat Yemeni invasion of Saudi Arabia repelled
First Arab–Israeli War (1948–1949)	Egypt  Iraq Transjordan Syria  Lebanon Saudi Arabia Kingdom of Yemen HWA ALA	Israel	Defeat Arab League invasion of former Mandatory Palestine repelled 1949 Armistice Agreements	Ahmad bin Yahya
North Yemen Civil War (1962–1970)	Royalists Saudi Arabia	Republicans  United Arab Republic	Regime change End of the Mutawakkilite Kingdom of Yemen	Muhammad al-Badr
Yemenite War of 1972 (1972)	North Yemen	South Yemen	Ceasefire Yemens pledge to unify	Abdul Rahman al-Eryani
NDF Rebellion (1978–1982)	North Yemen	NDF	Government victory Defeat of the National Democratic Front	Ali Abdullah Saleh
Yemenite War of 1979 (1979)	North Yemen	South Yemen	Ceasefire Yemens re-pledge ambition to unify

South Yemen

Conflict	Combatant 1	Combatant 2	Result	Head of Government
Aden Emergency (1963–1967)	NLF FLOSY	United Kingdom South Arabia	Victory Independence of South Yemen	None
Al-Wadiah War (1969)	South Yemen	Saudi Arabia	Defeat Saudi Arabia reoccupies al-Wadiah	Muhammad Ali Haitham
Yemenite War of 1972 (1972)	South Yemen	North Yemen	Ceasefire Yemens pledge to unify	Ali Nasir Muhammad
Lebanese Civil War (1976–1977)	ADF  Syria  Saudi Arabia  Sudan  United Arab Emirates  Libya  South Yemen	LF	Withdrawal South Yemen withdraws from the ADF force in 1977
Ogaden War (1977–1978)	Ethiopia  Cuba  Soviet Union  South Yemen	Somalia WSLF	Victory Somali withdrawal from Ogaden
Eritrean War of Independence (1977–1990)	Ethiopia  Cuba  South Yemen	ELF EPLF	Defeat Independence of Eritrea from Ethiopia
Yemenite War of 1979 (1979)	South Yemen NDF	North Yemen	Ceasefire Yemens re-pledge ambition to unify
South Yemen Civil War (1986)	Muhammad's faction	Ismail's faction	Regime change al-Attas becomes president	Haidar Abu Bakr al-Attas
Yemeni Civil War (1994)	South Yemen	Yemen	Defeat Reunification of Yemen

Unified Yemen

Conflict	Combatant 1	Combatant 2	Result	Head of State
Yemeni Civil War (1994)	Yemen	South Yemen	Victory Reunification of Yemen	Ali Abdullah Saleh
Hanish Islands conflict (1995)	Yemen	Eritrea	Defeat (but political victory) Eritrean occupation of Greater Hanish
Al-Qaeda insurgency in Yemen (1998–2015)	Yemen United States	al-Qaeda Islamic State	Escalation into full-scale civil war Arrival of ISIL to Yemen
First Sa'dah War (2004)	Yemen	Houthis	Government victory Death of Hussein al-Houthi
Second Sa'dah War (2005)	Yemen	Houthis	Government victory Houthis surrender after signing a deal
Third Sa'dah War (2005–2006)	Yemen	Houthis	Government victory Fighting ends before Presidential election
Fourth Sa'dah War (2007)	Yemen	Houthis	Government victory Rebel leaders go into exile
Fifth Sa'dah War (2008)	Yemen	Houthis	Stalemate Yemeni government declares unilateral ceasefire
Sixth Sa'dah War (2009–2010)	Yemen  Saudi Arabia  Jordan  Morocco	Houthis	Stalemate Truce signed, Houthi control of Sa'ada solidified
South Yemen insurgency (2009–2015)	Yemen	Southern Movement	Escalation into full-scale civil war Separatists hold Aden
Yemeni Revolution (2011–2012)	Saleh government	JMP	Regime change Overthrow of Saleh government
Seventh Sa'dah War (2012–2015)	Yemen	Houthis	Escalation into full-scale civil war Houthis take control of northern Yemen	Abdrabbuh Mansur Hadi
Yemeni Civil War (2014–)	Hadi government  Saudi Arabia  United Arab Emirates  Senegal  Sudan  Qatar  Bahrain  Kuwait  United States  Jordan  Morocco  Egypt  France	Houthi government Houthis STC	Ongoing Houthis dissolve Yemeni government Saudi Arabian-led intervention in Yemen	Abdrabbuh Mansur Hadi (Cabinet of Yemen) Mohammed Ali al-Houthi (SPC)

References

1. Halliday, Fred (2002). Revolution and Foreign Policy: The Case of South Yemen, 1967-1987. Cambridge University Press. p. 160. ISBN 9780521891646.
2. Gause, Gregory, Saudi-Yemeni relations: domestic structures and foreign influence, Columbia University Press, 1990, page 98
3. Stansfield, G. R. V. (2001), "The Israeli Connection" (PDF), The 1995/96 Yemen-Eritrea conflict over the Islands of Hanish and Jabal Zuqar: a geopolitical analysis, Working Paper, Durham: University of Durham, Centre for Middle Eastern and Islamic Studies, p. 34, retrieved 26 June 2014
4. Permanent Court of Arbitration Eritrea/Yemen: Chart 4 Archived 2015-09-05 at the Wayback Machine
5. "Ḥanīsh Islands | islands, Red Sea | Britannica". www.britannica.com. Retrieved 2022-08-27.
6. "ISIS gaining ground in Yemen, competing with al Qaeda". CNN. 21 January 2015. Retrieved 21 January 2015.
7. "al-Shabab al-Mum'en / Shabab al-Moumineen (Believing Youth)". GlobalSecurity.org. Retrieved 29 December 2009.
8. Zimmerman, Katherine L. Yemen's Pivotal Moment. Critical Threats Project of the American Enterprise Institute, 2014.

v t e List of wars involving South Yemen
Aden Emergency (1963–1967) Al-Wadiah War (1969) Yemenite War of 1972 (1972) Lebanese Civil War (1976–1977) Ogaden War (1977–1978) Eritrean War of Independence (1977–1990) Yemenite War of 1979 (1979) South Yemen civil war (1986) Yemeni Civil War (1994)

v t e List of wars involving North Yemen
Saudi–Yemeni border skirmish (1931) Najran conflict (1931/32–1932) Saudi–Yemeni war (1934) First Arab–Israeli War (1948–1949) North Yemen Civil War (1962–1970) Yemenite War of 1972 (1972) NDF Rebellion (1978–1982) Yemenite War of 1979 (1979)

• Wars involving Yemen
• Lists of wars by country involved
• Yemen history-related lists