Ceremony of the Keys (London) after the Tower. The event is usually sold out at least 12 months in advance. Ceremony of the Keys (London) The Ceremony of the Keys is an ancient ritual, held every evening at the Tower of London, when the main gates are locked for the night. It is said to be the oldest military ceremony in the world, and is the best-known ceremonial tradition of the Tower. At exactly 9.53 pm, the Chief Yeoman Warder, dressed in Tudor watchcoat and bonnet, and carrying a candle lantern, leaves the Byward Tower and falls in with the Escort to the Keys, a
Ceremony of the Keys (Gibraltar) Ceremony of the Keys (Gibraltar) The Ceremony of the Keys event is a re-enactment of the locking of the gates to the old Town and garrison of Gibraltar. During the 18th and 19th centuries, the sea came up to the defensive walls and there were four outer gates through which the town could be entered. Four keys locked these entrances to the town. The ceremony's origins date from the Great Siege of Gibraltar, which started in 1779 when French and Spanish troops attempted to capture Gibraltar. The keys were kept by the Governor who would hand them to the Port