Chancellor of the Order of Australia "Chancellor and Principal Dame" if the incumbent is a 'Dame of the Order of Australia' (AD), or as "Chancellor and Principal Companion" if the incumbent is a 'Companion of the Order of Australia' (AC). The Order of Australia is the only Australian order of chivalry (although certain dynastic British orders of chivalry, such as the Order of the Garter, the Order of the Thistle and the Royal Victorian Order, may still be awarded to Australians by the Monarch). It was established on 14 February 1975 by the Monarch to recognise Australian citizens and other persons for achievement, meritorious service, or
Order of chivalry wear a star (or 'plaque') on the chest. In special cases the senior class may wear the badge on a collar, which is an elaborate chain around the neck. In certain countries with feudal heritage the higher ranks (usually at least the Grand Cross) may have vestments proper to them, including a mantle and a hat. An example of such a modern-day order is the Order of the British Empire. The orders have influenced organizations which are completely separate and distinct from them. Since at least the 18th century, Freemasonry has incorporated symbols and rituals of several medieval military orders