The fragmentary remains of the oracle temple, with some inscriptions dating from the 4th century BC, lie within the ruins of Aghurmi.
The revelations of the oracle fell into disrepute under the Roman occupation of Egypt.
The oasis was officially added to Egypt by Muhammad Ali of Egypt in 1819.
German soldiers went skinny dipping in the lake of the oracle, contrary to local customs which prohibit public nudity.
In 1942 while the Italian 136th Infantry Division Giovani Fascisti occupied the oasis, a tiny Egyptian puppet government-in-exile was set up at Siwa.
Herodotus knew of a "fountain of the Sun" that ran coldest in the noontide heat.
During his campaign to conquer the Persian Empire, Alexander the Great reached the oasis, supposedly by following birds across the desert.