    the 1978 south lebanon conflict (code-named operation litani by israel) was an invasion of lebanon up to the litani river, carried out by the israel defense forces in 1978 in response to the coastal road massacre. the conflict resulted in the deaths of 1,100â2,000 lebanese and palestinians, 20 israelis, the internal displacement of 100,000 to 250,000 people in lebanon, and the plo forces retreating north of the litani river. it led to the creation of the unifil peacekeeping force and an almost complete israeli withdrawal. == background ==  though it took the form of an israeli military incursion into southern lebanon, operation litani was grounded in the long-running israeli-palestinian conflict. from 1968 on, the plo, popular front for the liberation of palestine, and other palestinian groups established a quasi-state in southern lebanon, using it as a base for raids on civilian targets in northern israel, as well as worldwide terror attacks on israeli and other targets. this was exacerbated by an influx of 3,000 plo militants fleeing a defeat in the jordanian civil war and regrouping in southern lebanon. israel responded with damaging attacks against plo bases. during israeli raids from 1968 to 1977, some of th
1978_in_Israel 1978_in_Lebanon Conflicts_in_1978 Invasions IsraeliaLebanese_conflict