Complex sentence: This action precipitated the Turkish invasion of Cyprus on the northern shore of the island five days later, on 20 July 1974, and resulted in the occupation of the territory that today comprises Northern Cyprus the following month, after a ceasefire fell through.
Split into simpler sentences: This action precipitated the Turkish invasion of Cyprus on the northern shore of the island five days later, on 20 July 1974. The Turkish invasion led to the occupation of the territory that today comprises Northern Cyprus the following month, after a ceasefire fell through.