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
Saint George's Cross of Switzerland and Denmark). A "vexillum beati Georgii" is mentioned in the Genovese annals for the year 1198, referring to a red flag with a depiction of St George and the dragon. An illumination of this flag is shown in the annals for the year 1227. The Genoese flag with the red cross was used alongside this "George's flag", from at least 1218, and was known as the " insignia cruxata comunis Janue" ("cross ensign of the commune of Janua"). The flag showing the saint himself was the city's principal war flag, but the flag showing the plain cross was