Royal coat of arms of the United Kingdom Wales is represented in the English coat of arms. However the argument is somewhat disengenuous as in 1535 the Welsh Dragon was already part of the Tudor Coat of Arms. Upon the accession of the Tudor monarchs, who were themselves of Welsh descent, a Welsh Dragon was used as a supporter on the Royal Arms. This was dropped by their successors, the Scottish House of Stuart, who replaced the Tudors' dragon supporter with the Scottish unicorn. In the 20th century, the arms of the principality of Wales were added as an inescutcheon to the coat of arms of the Prince
Royal Observatory, Greenwich the present-day Maritime Museum, was the birthplace of both Henry VIII and his daughters Mary I and Elizabeth I; the Tudors used Greenwich Castle, which stood on the hilltop that the Observatory presently occupies, as a hunting lodge. Greenwich Castle was reportedly a favourite place for Henry VIII to house his mistresses, so that he could easily travel from the Palace to see them. The establishment of a Royal Observatory was proposed in 1674 by Sir Jonas Moore who, in his role as Surveyor General at the Ordnance Office, persuaded King Charles II to create the observatory, with John Flamsteed