Tincture (heraldry) as the field upon which they rest, with the colours reversed. In the municipal arms of Behnsdorf, Saxony-Anhalt, seen at right, the field is divided with the left half white (argent) and the right half green (vert), and the counterchanged tree is green where it lies on the white part of the field, and white where it lies on the green part. The flag of Maryland is another example of counterchanging. The only U.S. state flag to be directly based on English heraldry, it is the arms of George Calvert, 1st Baron Baltimore, who founded the colony of Maryland in
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