sectarian violence in Iraq (2006–07)

sectarian violence in Iraq (2006–07)
Joey Buccino · CC BY-SA 3.0 · source
Name	Iraq sectarian conflict (2006–2007)
Partof	Iraq War
Date	2006–2007
Place	Iraq, chiefly Baghdad, Anbar Governorate, Nineveh Governorate, Diyala Governorate, Salah al-Din Governorate
Result	Large-scale communal displacement; surge and later partial reduction in violence after 2007 troop surge and local ceasefires

sectarian violence in Iraq (2006–07) was a period of intense communal fighting, targeted killings, and mass displacement that transformed the security and political landscape of Iraq following the 2003 Invasion of Iraq. It involved rivalry among Shia and Sunni armed groups, the involvement of Kurdish forces, and the active participation of foreign fighters and sectarian militias amid efforts by the United States and international actors to stabilize the country. The crisis reshaped institutions such as the Council of Representatives of Iraq and affected regional relations with Iran and Syria.

Background and causes

The roots lay in the aftermath of the 2003 invasion of Iraq and the collapse of the Ba'ath Party, which precipitated political competition among Dawa, SIIC (formerly SCIRI), and Sunni Arab parties such as the Iraqi Islamic Party. De-Ba'athification and the dissolution of the Iraqi Army produced disenfranchisement among Sunni former officers who later associated with movements including the Ba'athist insurgency. The 2005 elections for the Council of Representatives of Iraq and the drafting of the 2005 Constitution of Iraq intensified disputes over federalism, oil revenue, and provincial powers involving the Kurdistan Regional Government, leading to competition exploited by militias like Mahdi Army and al-Qaeda in Iraq. Regional influence from Iran and Syria and the flow of weapons and fighters contributed to sectarian mobilization.

Major events and escalation (2006–2007)

Violence surged after the February 2006 bombing of the Al-Askari Shrine in Samarra, which triggered reprisals and tit-for-tat attacks across Baghdad and mixed areas like Mosul. The summer and autumn of 2006 saw escalating car bombings, executions, and neighborhood cleansing exemplified by incidents such as the Mahmudiyah massacre and the 2006 Khan Bani Saad bombing. The period included the 2006–2007 sectarian cleansing of Baghdad districts, mass abductions, and the emergence of kill squads documented during the Iraq War. In early 2007 the Battle of Baghdad (2006–07) and subsequent operations including the Baghdad Security Plan and the surge sought to blunt insurgent momentum.

Actors and militias

Key Shia actors included the Mahdi Army led by Muqtada al-Sadr, elements of Badr Organization (linked to Supreme Islamic Iraqi Council), and local Shia militias in southern cities such as Basra. Sunni actors comprised al-Qaeda in Iraq led by figures like Abu Musab al-Zarqawi (until 2006) and successor networks, Sunni Awakening Councils formed from former insurgents, and remnants of the Ba'athist insurgency. Kurdish security forces such as the Peshmerga enforced control in northern Iraq and clashed with Arab militias. External actors included Islamic Revolutionary Guard Corps proxies, foreign jihadi volunteers from abroad, and private military contractors.

Humanitarian impact and casualties

The violence caused extensive civilian casualties, mass displacement, and community fragmentation. Estimates of deaths during 2006–2007 vary, with analyses by organizations like Iraq Body Count and academic studies reporting tens of thousands of violent deaths in that window; broader counts for the conflict period extended into the hundreds of thousands. Sectarian cleansing produced refugee flows to neighboring Syria and Jordan, and internal displacement to cities such as Karbala and Erbil. Attacks on religious sites, markets, and places of worship amplified sectarian fear, contributing to the demographic reordering of wards in Baghdad and mixed provinces such as Diyala Governorate.

Political responses and security operations

Iraqi political responses involved efforts by leaders including Nouri al-Maliki and Ibrahim al-Jaafari to form coalitions, pass police and security legislation, and negotiate with militia figures like Muqtada al-Sadr. Security operations included Iraqi Army deployments, coordinated missions with Multinational Force units under United States leadership, and local initiatives like Sunni tribal Awakening Councils supported by coalition forces. Notable operations included the Fardh al-Qanoon and the Baghdad security crackdown tied to the 2007 surge strategy overseen by commanders such as David Petraeus.

International involvement and diplomacy

Regional diplomacy featured engagements by Iran, Syria, Turkey, and Gulf states, all seeking influence over Iraqi politics and sectarian alignments. The UNAMI and the United Nations Security Council issued appeals, while US domestic debates in the 110th United States Congress and administrations under George W. Bush informed troop commitments. International legal and human rights organizations such as Human Rights Watch and Amnesty International documented abuses and called for accountability, shaping diplomatic pressure on Iraqi institutions and coalition partners.

Aftermath and legacy

By late 2007 and into 2008, the intensity of open sectarian warfare declined in many areas due to the surge, local reconciliations, and the consolidation of territorial control by dominant groups. Long-term effects included altered sectarian geography in Baghdad, weakened national institutions like the Iraqi Security Forces during reform, and enduring political polarization that influenced subsequent crises including the rise of Islamic State of Iraq and the Levant in 2014. The period remains a focal point for studies of post-conflict reconstruction, transitional justice, and regional power competition in the Middle East.

Category:Iraq War