Black Rod 1350 by royal letters patent, though the current title dates from 1522. The position was adopted by other members of the Commonwealth when they adopted the British Westminster system. The title is derived from the staff of office, an ebony staff topped with a golden lion, which is the main symbol of the office's authority. A ceremonial rod or staff is a common type of symbol indicating the authority of the office-holder. Depictions of ancient authority figures in many cultures include such a rod (alternatively called a sceptre). Another early example was the fasces (literally a bound bundle of rods)
The Four Ceremonial Occasions 20 years old or later. Uihon(Hangul: 의혼, Hanja: 議婚) is a ritual that the families of the bride and the bridegroom consider the looks, learning and personality of the marriage partner, and if the two parties reach consensus, they approve of the marriage. It is called myeonyag(Hangul: 면약, Hanja: 面約). According to proposal, the marriage is achieved by the consent of both parents. However, the marriage can only be done if it is not in the same surname and the same family origin(Hangul: 동성동본) and not in the period of one year of mourning"." Nabchae(Hangul: 납채, Hanja: 納采) is to