Coronation of the British monarch on Christmas Day, possibly in imitation of the Byzantine emperors, and John's was on Ascension Day. Elizabeth I consulted her astrologer, John Dee, before deciding on an auspicious date. The coronations of Charles II in 1661 and Anne in 1702 were on St George's Day, the feast of the patron saint of England. Under the Hanoverian monarchs in the late eighteenth and nineteenth centuries, it was deemed appropriate to extend the waiting period to several months, following a period of mourning for the previous monarch and to allow time for preparation of the ceremony. In the case of every monarch
Inauguration of the Dutch monarch and invested in Amsterdam at a public joint session of the two houses of the States General. The monarch may not exercise the royal prerogative until reaching the age of 18. Inauguration is strictly ceremonial as the successor to the throne instantly becomes the new monarch at the moment the former monarch dies or abdicates. The last Dutch monarch to rule until his death was William III in 1890. His successor was his daughter, Wilhelmina; however, she was not inaugurated until her coming of age in 1898. Her mother Emma of Waldeck and Pyrmont was regent from 1890 to 1898.