General Ptolemy, son of Lagos ruled Egypt first as a governor for the kings of Macedon, and then from 306/5 BC (November 7) as independent king. The king made the cult of Sarapis the state cult.

Ptolemy I Soter was a Macedonian general and companion of Alexander the Great who rose to prominence as one of Alexander's closest allies. Following Alexander's death in 323 BCE, Ptolemy played a ...