Flag of Italy the Italian tricolour flag." As the arms, blazoned "gules a cross argent", mixed with the white of the flag, it was "fimbriated azure", blue being the dynastic colour, although this does not conform to the heraldic rule of tincture. The rectangular civil and state variants were adopted in 1851. In the same year, the Grand Duchy of Tuscany became constitutional and dropped the Austrian flag, with Austria–Lorraine great coat of arms, in favour of the defaced Italian tricolour with simplified arms. It is worthy of note, however, that the arms bear the red-white-red flag of Austria, the opponent of Italian
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