The following is a chronology of events in Lebanon since the June 1982 Israeli invasion:
June 6, 1982 -- Israel invades Lebanon to try to expel PLO guerrillas from its northern neighbor.
Aug. 25 -- U.S. Marines arrive to oversee withdrawal of 10,000 PLO soldiers.
Aug. 23 -- Beshir Gemayel elected president of Lebanon.
Sept. 1 -- President Reagan calls for full Palestinian autonomy in West Bank and Gaza, and a freeze on Israeli settlements on occupied Arab territory. Israel rejects the plan a day later.
Sept. 10 -- With PLO withdrawal completed, U.S. Marines leave Lebanon, 15 days after arrival.
Sept. 14 -- President-elect Beshir Gemayel is assassinated in the bombing of his party headquarters.
Sept. 17-18 -- An estimated 1,000 Palestinian men, women and children massacred in Beirut refugee camps by Israeli-backed Lebanese Christian militia.
Sept. 20 -- President Reagan orders U.S. Marines back to Lebanon to rejoin Italian and French troops.
Jan. 5, 1983 -- Battles between rival militia gangs in Tripoli claim at least 61 lives in five days.
March 16 -- Lebanon's multinational peacekeeping forces on alert following wounding of seven U.S. Marines, eight Italians in two attacks.
April 10 -- Jordan's King Hussein deals blow to Reagan's Middle East peace plan by refusing to negotiate with Israel on behalf of Palestinians.
April 18 -- Bomb shatters U.S. Embassy in Beirut killing more than 60 people including 17 Americans.
April 30 -- Katyusha rocket explodes 100 yards from the U.S. ambassador's residence in Beirut where Secretary of State Shultz was spending the night.
May 5 -- The worst rocket and artillery duels rage around Beirut Christian and Moslem suburbs since the Israeli invasion. The battles last three days, leaving 23 dead and 70 wounded.
May 6 -- Israel accepts U.S.-negotiated plan for the withdrawal of its forces from Lebanon and signs the accord May 17. Syria rejects the plan and refuses to join in a simultaneous withdrawal, blocking implementation.
May 15 -- U.S. reports Moscow has re-armed Syria with new SAM-5 anti-aircraft missile batteries that can strike all of Lebanon, parts of Israel and the U.S. naval fleet off the Lebanese coast.
May 22 -- New sectarian strife in the Shouf mountains leaves 23 Druze and Christian gunmen dead.
July 20 -- Israeli government approves plan to redeploy troops in Lebanon despite U.S. opposition. Lebanese President Amin Gemayel says move will amount to Lebanon's partition. Car bomb and shooting outside Beirut hotel kills five people, injures 15.
Aug. 5 -- Car bomb outside Tripoli, Lebanon, mosque kills at least 20 people, wounds 36.
Aug. 7 -- Car bomb in Baalbek, Lebanon, marketplace kills at least 35 people and wounds 133.
Aug. 29 -- Two U.S. Marines killed, 14 wounded in Beirut in fighting between Lebanese army and Moslem gunners.
Sept. 3 -- Israeli forces withdraw from Lebanon's Shouf mountains.
Sept. 6 -- Two more U.S. Marines killed and three wounded in rocket attack in Beirut fighting.
Sept. 7 -- Two French soldiers including a colonel killed in Beirut fighting.
Sept. 13 -- U.S. authorizes air strikes against Syrian-backed rebels if they attack Marine positions in Lebanon.
Sept. 15 -- Ailing Menachem Begin formally resigns as Israel's prime minister.
Sept. 18 -- Syrian troops battle Lebanese soldiers for the first time; Libyan forces in Lebanon put under Syrian command.
Sept. 25 -- USS New Jersey joins U.S. warships off Beirut; three U.S. Marines wounded in shelling.
Sept. 26 -- U.S.-Saudi negotiated cease-fire takes effect in Lebanon.
Oct. 16 -- One U.S. Marine killed and three others wounded in a seven-hour Beirut battle.
Oct. 19 -- Beirut car-bomb wounds four U.S. Marines.
Oct 23 -- A terrorist on a suicide mission barrels a truck loaded with explosives into the headquarters of Marines, killing at least 120 soldiers. A separate attack on the French peace-keeping forces kills at least 27 French troops.
