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
Trooping the Colour and one weeks preceding the Queen's Birthday Parade respectively. The salute is taken, respectively, by the Major-General commanding the Household Division and the Colonel of the Regiment which is trooping its colour. On the day of Trooping the Colour, the Royal Standard is flown from Buckingham Palace and from Horse Guards Building, while the Union Flag (colloquially known as the Union Jack), is flown from public buildings as well as the flags of the British Commonwealth of Nations, especially in recent years. Participants and positioning: "Nos 1-6 Guards" - six companies of Foot Guards, each comprising 3 officers and 71