Incumbents
- President: Abd‑Rabbu Mansour Hadi (until 25 February 2015; thereafter the presidency was effectively suspended amid the escalating conflict).
- Prime Minister: Khaled Bahah (appointed 9 November 2014 and served throughout 2015).
Major Events
| Date | Event | Description |
|---|---|---|
| 1 January | UN Humanitarian Appeal | The United Nations launched a $1.5 billion emergency appeal for Yemen, citing deteriorating food security and health conditions. |
| 26 January | Houthi Capture of Saada | The Houthi rebel movement seized the provincial capital of Saada, consolidating control over their traditional stronghold. |
| 16 February | Battle of Al‑Hodeidah | Pro‑government forces and Houthi fighters clashed in the strategic port city of Al‑Hodeidah, resulting in civilian casualties and damage to port infrastructure. |
| 24 February | Presidential Resignation | President Abd‑Rabbu Mansour Hadi submitted his resignation in an effort to quell the political crisis; the resignation was not formally accepted by the parliament. |
| 26 February – 2 March | Houthi Advance on Sanaʿa | Houthi forces entered the capital, Sanaʿa, and seized the presidential palace, government ministries, and the state broadcaster. |
| 7 March | Coalition Formation | The Gulf Cooperation Council (GCC) announced the formation of a Saudi‑led coalition to support the internationally recognised government and to counter Houthi advances. |
| 9 March | Iranian Delegation Visit | An Iranian diplomatic delegation visited Sanaʿa and met with senior Houthi officials, indicating Tehran’s political support for the rebels. |
| 13 March | UN Mediation Attempt | United Nations Special Envoy for Yemen, Jamal Benomar, arrived in Sanaʿa to negotiate a cease‑fire; talks stalled without agreement. |
| 21 March | Saudi‑Led Airstrikes Begin | Saudi Arabia launched air operations targeting Houthi positions in Sanaʿa and surrounding areas, marking the start of a sustained aerial campaign. |
| 26 March | International Humanitarian Crisis Declared | The United Nations Office for the Coordination of Humanitarian Affairs (OCHA) declared Yemen a “humanitarian crisis of catastrophic proportions.” |
| 5 April | Recapture of Shabwah | Pro‑government forces, with support from coalition air power, retook the oil‑rich Shabwah Governorate from Houthi control. |
| 2 May | Al‑Mikhlaf Battle | Intense fighting occurred in the Al‑Mikhlaf region of southern Yemen between coalition‑backed loyalist forces and Houthi militias. |
| 6 June | U.S. Drone Strike | A United States unmanned aerial vehicle conducted a strike targeting alleged Al‑Qaeda in the Arabian Peninsula (AQAP) operatives in the Marib Governorate. |
| 13 June | Houthi Control of Aden | Houthi fighters entered Aden, the provisional capital, prompting a standoff with Saudi‑backed Yemeni forces. |
| 15 June | Saudi Ground Offensive | Saudi Arabian ground forces, together with Yemeni loyalist troops, launched an offensive to retake the port city of Aden. |
| 25 June | Bombing of Al‑Jawf | Coalition airstrikes hit residential areas in Al‑Jawf Governorate, resulting in civilian casualties and international criticism. |
| 4 July | UN Security Council Resolution 2216 | The UN Security Council adopted Resolution 2216, calling for an immediate cease‑fire, condemning Houthi actions, and imposing an arms embargo on the group. |
| 13 July | Humanitarian Aid Convoy Attack | An aid convoy traveling from Djibouti to Aden was struck by a projectile in the Al‑Mikhlaf area, killing several aid workers. |
| 20 July – 30 July | Battle for Mukalla | Coalition forces, supported by UAE troops, fought to retake the coastal city of Mukalla from AQAP militants; the city was recaptured on 30 July. |
| 7 August | UN Security Council Calls for Full Cease‑Fire | The Council reiterated demands for an unconditional cease‑fire and urged all parties to allow unhindered humanitarian access. |
| 12 August | Renewed Airstrikes on Sanaʿa | The coalition intensified air operations over Sanaʿa, targeting Houthi command facilities; civilian casualties were reported. |
| 10 September | Houthi Capture of Dhamar | Houthi forces seized the city of Dhamar, bringing the capital’s suburbs under rebel control. |
| 22 September | Aid Delivery Pause | The World Food Programme announced a temporary suspension of aid deliveries due to security concerns in the central highlands. |
| 1 October | Sadah Oilfield Attack | A missile strike, attributed to Houthi forces, damaged infrastructure at the Sadah oilfield, disrupting national oil production. |
| 5 November | Saudi Ground Forces Advance on Taiz | Coalition ground troops launched an operation to capture the city of Taiz from Houthi control; fighting continued into 2016. |
| 23 November | Humanitarian Cease‑Fire Attempt | An unofficial humanitarian cease‑fire was negotiated between the coalition and Houthi representatives for the delivery of food supplies; the cease‑fire was limited in scope and duration. |
| 31 December | Year‑End Assessment | UN agencies reported that more than 2.5 million Yemenis were displaced, with acute malnutrition affecting an estimated 1.6 million people, including over 400,000 children. |
Humanitarian Situation
- Displacement: According to UNHCR, the conflict generated internal displacement for over 2 million individuals during 2015.
- Food Insecurity: The Integrated Food Security Phase Classification (IPC) placed large portions of the population in “IPC Phase 4 – Emergency.”
- Health Impact: Outbreaks of cholera and diphtheria were reported, exacerbated by damaged health infrastructure.
International Reactions
- Saudi Arabia: Led a coalition of nine Arab states, providing air power, naval blockades, and ground troops to support President Hadi’s government.
- Iran: Expressed political support for the Houthi movement, denying direct military involvement.
- United Nations: Maintained diplomatic efforts through special envoys, security‑council resolutions, and humanitarian coordination.
Notable Deaths
- Saeed Al‑Bashir (Journalist, 31 January 2015) – Killed while covering conflict in Saada.
- Abdul Aziz Al‑Yazidi (Humanitarian worker, 13 July 2015) – Died in an aid convoy attack near Al‑Mikhlaf.
References
- United Nations Office for the Coordination of Humanitarian Affairs (OCHA), “Yemen Humanitarian Situation Report – December 2015.”
- United Nations Security Council, Resolution 2216 (13 July 2015).
- International Crisis Group, “Yemen: The War on One Front.”
- Reuters, “Saudi-led coalition launches ground offensive in Aden,” 15 June 2015.
- Al‑Jazeera English, “Yemen’s humanitarian crisis deepens as war rages,” 30 December 2015.
