Complex sentence: United Nations Security Council Resolution 490, adopted unanimously on July 21,1981, after taking note of a report by the Secretary-General, the Council called for an immediate cessation of attacks by Israel on Lebanon.
Split into simpler sentences: United Nations Security Council Resolution 490 was adopted unanimously on July 21,1981, after taking note of a report by the Secretary-General. The Council called for an immediate cessation of attacks by Israel on Lebanon.