Flag of Greece designs differ according to the historical era they were used in and in accordance with the political scene in Greece at the time. The first flag to be used by a head of state of Greece was that of King Otto of Greece. Following the establishment of the Kingdom of Greece in 1832, the 17-year old Bavarian prince Otto was selected as king for the newfound monarchy. A royal decree dated 4 (16) April 1833 prescribed a number of maritime flags, including the royal standard. This flag, set at a 7:10 ratio, was a variant of the Greek white-cross-on-blue and
Flag of Greece cross) flag. On 7 February 1828 the Greek flag was internationally recognised for the first time by receiving an official salutation from British, French, and Russian forces in Nafplio, then the capital of Greece. After the establishment of the Kingdom of Greece in 1832, the new king, Otto, added the royal Coat of Arms (a shield in his ancestral topped by a crown) in the centre of the cross for military flags (both land and sea versions). The decree dated 4 (16) April 1833 provided for various maritime flags such as the war flag or naval ensign (set at 18:25),