Flag of Portugal green was harder to come up with, given that it was not a traditional colour of the Portuguese flag's history. Eventually, it was justified on the grounds that, during the 1891 insurrection, this was the colour present on the revolutionary flag that "sparked the redeeming lightning" of republicanism. Finally, white (on the shield) represented "a beautiful and fraternal colour, into which all other colours merge themselves, colour of simplicity, of harmony and peace", adding that "it is this same colour that, charged with enthusiasm and faith by the red cross of Christ, marks the Discoveries epic cycle". The Manueline armillary
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),