Favored by the Ancient Egyptians as a source of turquoise, the Sinai was, until recently, famed for only one event but certainly an important one.
The happening that the Sinai was famous for was an important one.
mnli hypothesis: The happening that the Sinai was famous for was an important one. premise: Favored by the Ancient Egyptians as a source of turquoise, the Sinai was, until recently, famed for only one event but certainly an important one.