Complex sentence: In 1306, Philip the Fair expelled the Jews from France and, in 1307, annihilated the order of the Knights Templar which were both seen by the king as a "state within the state".
Split into simpler sentences: In 1306, Philip the Fair expelled the Jews from France and, in 1307, annihilated the order of the Knights Templar. Philip saw both groups as a "state within the state".