Complex sentence: In the 7th century Jews sought refuge in Diocletian's Palace after the Dalmatian capital Salona was overrun by the Avars synagogue was built into the western wall of the palace in the 16th century, and descendants of the Salona refugees are still living in the area.
Split into simpler sentences: In the 7th century Jews sought refuge in Diocletian's Palace after the Dalmatian capital Salona was overrun by the Avars. A synagogue was built into the western wall of the palace in the 16th century, and descendants of the Salona refugees are still living in the area.