The earliest surviving account of Catherine's life comes around 600 years after the traditional date of her martyrdom, in the Menologium, a document compiled for Emperor Basil II (976), although the alleged rediscovery of her relics at Saint Catherine's Monastery at the foot of Mount Sinai was about 800,[24] and presumably implies an existing cult at that date (though the common name of the monastery developed after the discovery).[citation needed]