Flag of Greece movements such as the "Etaireia", the First Greek National Assembly, convening in January 1822, took steps to disassociate itself from the "Etaireia"s legacy and portray nascent Greece as a "conventional", ordered nation-state. As such not only were the regional councils abolished in favour of a central administration, but it was decided to abolish all revolutionary flags and adopt a universal national flag. The reasons why the particular arrangement (white cross on blue) was selected, instead of the more popular blue cross on a white field, remain unknown. On 15 March 1822, the Provisional Government, by Decree Nr. 540, laid down
Flag of Greece the royal flags, which featured the coat of arms of the House of Schleswig-Holstein-Sonderburg-Glücksburg on a square version of the national flag. A square version of the land flag with St. George in the centre was adopted on 9 April 1864 as the Army's colours. The exact shape and usage of the flags was determined by Royal Decree on 26 September 1867. By a new Royal Decree, on 31 May 1914, the various flags of Greece and its military were further regulated. By this decree, the flag with the crown was adopted for use as a state flag by ministries,