The difference is that the emblem of the Imperial house of the Palaiologoi also had a capital B in each of the quarters". This design is well attested in Byzantine and Western sources during the 14th and 15th centuries, but as the Byzantines entirely lacked the Western tradition of "national" or family heraldic designs as coats of arms, this design was only used in flags. Wittelsbach dynasty The introduction of the blue shield with the white cross as the heraldic device to represent Greece occurred on , when the regency council which was governing Greece on behalf of its first king, Otto, announced the official design for the coat of arms. Approved by Prime Minister Josef Ludwig von Armansperg, it detailed the entire heraldic achievement and described, in Greek and German, its constituent parts. The lesser arms are described as an "equidistant azure escutcheon, pointed towards the middle of its lower side, and containing the Greek cross, argent, bearing at its centre an inescutcheon with the lozenges of the Royal House of Bavaria." The shade of blue is specified as light blue (). The escutcheon itself was supported by two crowned lions rampant and surmounted by the royal crown. The entire composition was contained within a mantle and pavilion, purple on the outside and ermine on the inside, topped again with the royal crown. This emblem was discarded following the 23 October 1862 Revolution and Otto's subsequent exile. Despite this fact, however, the blue shield with the white cross remained the basis upon which all subsequent coats of arms were based, including the current arms of the Third Hellenic Republic. The white and blue cockade of the revolutionary period was reinstated in March 1833, this time blue on the outside and white on the inside, so that the blue centre was equal to two thirds of the diameter of the cockade. This design, described both as a 'national emblem' () and a 'cockade' () in Greek and as the 'national cockade' () in German, was to be worn on caps by uniformed military and civilian personnel as well as on the hats of private citizens that wished to display their national pride. Glücksburg dynasty and Second Republic Following Otto's deposition in 1862, the 17-year old Prince William of Denmark was chosen in 1863 as Greece's new king. The coat of arms was suitably altered by the Royal Decree of 9