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
Trooping the Colour Defence Staff, and the Regimental Colour is trooped instead. Jordan hosted its first Trooping the Colour - the first in the Middle East - in June 2016 celebrating the centenary of the Arab Revolt against the Ottoman Empire. The Parade was the official celebrations of the centennial of the Great Arab Revolt () or Arab Revolt Parade on coverage online. In 2017, the Trooping of the Colour (officially known as the Flag Parade) was moved to September and is held annually. Around 1,000 troops take part in the parade, which is held yearly in Amman, the national capital. Al Rayah