Traboulsi counts this among the early-1975 protests, a southern general strike and Beirut demonstrations, over the Palestinian presence and the south's defence.

De Clerck and Malsagne and Tegho Bou Nassif date Zahleh's entry into the war to 24 August 1975, when Palestinian fighters planted a bomb in its tourist district, Wadi al-Arayish. In Hanf's account, Zahleh's Christians and Shi'is of its outskirts and nearby villages, helped by Palestinian guerrillas, came to blows late in August after a non-political arcade quarrel. Three Zahleh men were executed at the end of August.

Historians date Lieutenant Ahmad al-Khatib's breakaway to 21 January (de Clerck and Malsagne, in the Bekaa) or 22 January (Julie Tegho Bou Nassif, from the diary of the Greek Catholic bishop of Zahleh); Hanf places the mutiny in the south. About 300-400 Muslim soldiers followed him at first. The entry of 30 January may record a later step.

Hanf has the Syrian army moving again only once Tal al-Za'tar had fallen, increasing pressure on the encircled Palestinian and leftist forces in the Upper Metn; these were expelled at the end of September.

Ratified by an Arab summit in Cairo on 25 October, the Riyadh decisions required all parties to surrender heavy weapons and the Palestinians to return to the zones granted by the 1969 Cairo Agreement, and created a 30,000-man Arab Deterrent Force under President Sarkis, its largest contingent by far, 25,000-27,000 men, being the Syrian troops already in Lebanon. Saudi Arabia had sent the invitations on 15 October; the leaders of Saudi Arabia, Kuwait, Egypt, Syria and Lebanon met the PLO chairman in Riyadh on 16, 17 or 18 October, depending on the historian. The cease-fire's start is dated 16 October (Hanf), 21 October (Traboulsi) or 15 November (de Clerck and Malsagne).

Hanf writes that the Lebanese Front was left with an enclave of roughly a tenth of Lebanon once Syrian troops had moved into the northern Christian mountains, Koura, Batroun and the coast as far as the Madfoun bridge. Frangieh gave Kataeb members in the north until the month's end to give up their weapons and quit the party, or else leave.

See the note on the entry of 25 January 1980.

Ménargues has some 600 Internal Security Forces gendarmes entering Zahleh on 30 June, ending the siege, and the 95 fighters from outside the town leaving by bus over a mountain road behind a Syrian colonel's car, past Syrian troops posted along it; Hanf says they left under Saudi escort. Siege toll: 200 dead and over 2,000 wounded (Ménargues), over 200 and 2,000 (de Clerck and Malsagne), 300 and 3,000 by the Phalange's count (Fisk).

The raid targeted PLO offices in the Fakhani district of West Beirut. Tolls differ: Ménargues gives 191 dead and over 730 wounded; Fisk and Picard about 300 dead; Hanf hundreds killed and over a thousand hurt, chiefly civilians.