Crosses in heraldry Crowns. Several national flags are based on late medieval war flags, including the white-on-red crosses of the flag of Denmark and the flag of Switzerland. The elongated Nordic cross originates in the 18th century due to the rectangular shape of maritime flags. The Red Cross flag originates in 1906 as a colour-switched version of the flag of Switzerland. Crosses in heraldry The cross is a basic design of two intersecting lines (X) used from pre-historic times. Its use was enormously expanded as the Christian cross, from about the 6th century, deriving from a T-shape representing the gibbet ("stauros", "crux") of
Flag of Australia have trouble displaying the shade of blue in the table above. The flag may be reproduced in a single colour, with the colour being either black or one of the two colours of the flag, albeit blue is generally preferred for single-colour productions. Guidelines for flying the flag are laid out in the 1953 Flags Act and in a pamphlet entitled "The Australian National Flag", which is published by the Australian Government on an infrequent basis. The guidelines say that the Australian National Flag is allowed to be flown on every day of the year, and that it "should be