A treaty signed on 17 May 1983 between representatives of Israeli prime minister Menachem Begin and Lebanese president Amine Gemayel, mediated by the United States. … Following the withdrawal of American forces from Lebanon, and under Syrian pressure, Gemayel formally abolished the treaty on 5 March 1984.
A war between Israel on the one hand, and the PLO and Syria on the other, which broke out on 5 June 1982. … Low-intensity warfare between Israel, the Israeli-allied militia South Lebanon Army and Hezbollah continued until Israel's complete withdrawal from Lebanon in 2000, thereby implementing UNSC Resolution 425 of 1978.
A massacre committed by Lebanese Christian militia Kataeb (Phalanges) against Palestinian residents of the Sabra and Shatila refugee camps in Beirut, Lebanon, on 16–18 September 1982. … The commission's report was published on 7 February 1983, and charged senior members of Israel's security establishment with indirect responsibility to the massacre, recommending that Defense Minister Ariel Sharon be removed from office.