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
Jasper Tudor, Duke of Bedford to England, where they were under attainder and would have been promptly executed as threats to the Yorkist rule. In October 1483, the Tudors launched an invasion of England from Brittany. However, the invasion failed and Jasper Tudor and his nephew Henry returned to Brittany. In mid-1484, when the Duke of Brittany was incapacitated with illness, his treasurer, Pierre Landais, who took over the reins of government, reached an agreement with the new Yorkist king, Richard III of England, to send Jasper and his nephew back to England in exchange for a pledge of 3,000 English archers to defend Brittany