Faisal, on behalf of King Abdullah, Custodian of the Two Holy Mosques, washed the Ka'ba Saturday. A number of Muslim scholars, government officials, dignitaries and diplomats attended the event, which takes place twice a year on the 15th of Shabaan (the month preceding the fasting month of Ramadan) and in mid-Muharram. Here's more about the most sacred site in Islam: __