Complex sentence: The Septimian colony of Tyre were found inscribed on a marble base; the inscription is not dated and if it was set after 257 then it indicate that Odaenathus was appointed as the governor of the province.
Split into simpler sentences: The Septimian colony of Tyre were found inscribed on a marble base. The inscription is not dated and if it was set after 257 then it indicate that Odaenathus was appointed as the governor of the province.