Who was the last of the Prophet's wives (peace be upon him)?

The last of the Prophet's wives, peace and blessings be upon him, was Maymunah bint al-Harith al-Hilaliyyah. He married her in Makkah during the 'Umrat al-Qada' (The Compensatory Umrah), after he had exited the state of ihram according to the sound opinion. She passed away during the reign of Mu'awiyah, and her grave is in Sarif.