Various, Encyclopaedia Britannica, 11th Edition…
“ A granite gateway to the temple of Khnūm at Elephantine bears his name in hieroglyphic, and demotic documents are found dated in his reign.The Ptolemaic Period.—On the division of Alexander’s dominions in 323 b.c., Egypt fell to Ptolemy the son of Lagus, the founder of the Ptolemaic dynasty (see Ptolemies) . Under these rulers the rich kingdom was heavily taxed to supply the sinews of war and to support every kind of lavish expenditure. ”
