Lebanon War

Lebanon War
Conflict	Lebanon War
Partof	Arab–Israeli conflict
Caption	Urban destruction during the Siege of Beirut
Date	June 6 – September 1982 (major phases)
Place	Lebanon, Southern Lebanon, Beirut, Bekaa Valley
Result	Israeli strategic advances; multinational force deployment; long-term Lebanese civil fragmentation
Combatant1	Israel; South Lebanon Army; United States (support elements)
Combatant2	Palestine Liberation Organization; Syrian Arab Republic; Lebanese militias including Amal Movement; Hezbollah (emergent)
Commanders1	Menachem Begin; Ariel Sharon; Yitzhak Rabin
Commanders2	Yasser Arafat; Hafez al-Assad; Bashir Gemayel
Strength1	Israeli Defense Forces, air force and armored corps
Strength2	Palestine Liberation Organization guerrillas, Syrian Army units, Lebanese militia contingents
Casualties1	Israeli military casualties and wounded
Casualties2	Civilian and combatant casualties, heavy urban losses

Lebanon War was a 1982 interstate and intrastate armed campaign centered in Lebanon that produced significant shifts in regional power, urban warfare precedents, and international peacekeeping responses. Sparked by cross-border attacks and hostage incidents involving the Palestine Liberation Organization, the conflict drew in Israel, the Syrian Arab Republic, multiple Lebanese factions, and global actors including the United States and France. The war reshaped Lebanese politics, accelerated the rise of Hezbollah, and altered Israeli military doctrine.

Background

Tensions preceding the conflict involved protracted clashes between the Palestine Liberation Organization bases in southern Lebanon and Israel following the 1967 displacement patterns and the aftermath of the Black September episodes. Lebanese state weakness after the start of the Lebanese Civil War created a security vacuum exploited by militias such as the Phalangist Party and the Kataeb Regulatory Forces, while regional rivalries between Syria and Israel over influence in the Bekaa Valley contributed to escalating confrontations. International actors, notably United States diplomatic efforts and European Economic Community mediation attempts, failed to contain frequent raids attributed to groups linked to Yasir Arafat's leadership of the PLO.

Course of the War

The campaign began with an Israeli operation following the attempted assassination of an Israeli diplomat and the shelling that killed Israeli civilians, culminating in a large-scale invasion launched under Operation Peace for Galilee. Israeli forces advanced to the outskirts of Beirut after major engagements such as the Battle of the Beirut Airport and clashes in the Shouf Mountains and the Bekaa Valley, encountering Syrian Arab Army units and entrenched PLO fighters. The Siege of Beirut produced intense aerial bombardment and artillery strikes, while off-shore maritime operations and blockades targeted supply routes. The assassination of Bashir Gemayel triggered the Sabra and Shatila massacre, leading to international outrage and the deployment of a multinational force including France and the United States to supervise PLO withdrawal and Lebanese security arrangements. Skirmishes with emergent groups including Hezbollah and continued Syrian intervention kept the theater volatile even after major Israeli withdrawals.

Major Combatants and Alliances

Primary state combatants included Israel and the Syrian Arab Republic, each backed by allied militias and regional patrons. Non-state actors featured the Palestine Liberation Organization, Lebanese Christian militias such as the Kataeb Party and Lebanese Forces, Muslim militias including the Amal Movement, and nascent Shi’a organizations that later became Hezbollah. International partners and guarantors ranged from United States naval and diplomatic support to France and Italy contributions to multinational peacekeeping. External regional dynamics invoked actors like Iran—in ideological and later material ways—alongside continuing influence from Saudi Arabia and Soviet Union alignments impacting Syrian strategy.

Humanitarian Impact and Casualties

The conflict inflicted high civilian casualties in urban centers such as Beirut and southern Lebanese towns, with extensive destruction of infrastructure, displacement of populations, and disruption of humanitarian access. Events like the Sabra and Shatila massacre and heavy bombardment produced international condemnation and intensified refugee flows to Tripoli and other Lebanese regions. Medical facilities and cultural institutions suffered damage, while casualty figures involved both combatants from groups like the PLO and Syrian units as well as noncombatant Lebanese civilians. The war exacerbated sectarian tensions among Maronite, Sunni, and Shi’a communities and increased international aid operations led by the United Nations and nongovernmental organizations.

International Involvement and Diplomacy

Diplomatic efforts included negotiations brokered by the United States, France, and the United Nations leading to PLO evacuation agreements supervised by a multinational force. The Reagan Doctrine-era posture informed US policy responses, while Soviet diplomatic channels engaged with Syria regarding ceasefire terms. The Kahan Commission in Israel investigated Israeli responsibility for allied militia atrocities, provoking domestic political repercussions. Calls for UN resolutions and expanded peacekeeping mandates culminated in Security Council actions addressing arms flows and force deployments in Lebanon.

Aftermath and Political Consequences

The immediate aftermath saw the expulsion of significant PLO military presence from Lebanese urban centers, a strengthened Syrian foothold in Lebanese politics, and the eventual emergence of Hezbollah as a dominant Shi’a militia and political actor. Israeli occupation of a security zone in southern Lebanon persisted, shaping future conflicts including later cross-border hostilities and operations involving the Israel Defense Forces. Lebanese state institutions remained fragmented, with renewed cycles of violence during the civil war era and protracted reconstruction challenges. Internationally, the war influenced debates on peacekeeping mandates, counterinsurgency doctrine in the Israel Defense Forces, and regional alignments involving Iran and Syria.

Category:Conflicts in 1982 Category:Arab–Israeli conflict Category:Lebanese Civil War