Complex sentence: Homs did not emerge into the light of history until the 1st century BCE at the time ofSeleucids, it became the capital of a kingdom ruled by the Emesani dynasty who gave the city its name.
Split into simpler sentences: Homs did not emerge into the light of history until the 1st century BCE at the time ofSeleucids. It later became the capital of a kingdom ruled by the Emesani dynasty who gave the city its name.