Coat of Arms

A coat of arms is a heraldic visual design placed on an escutcheon, surcoat, or tabard, originating in Europe during the Middle Ages. The design on the escutcheon forms the central element of a full heraldic achievement, which also encompasses a shield, supporters, a crest, and a motto. Historically, the term derives from the medieval surcoat, a chainmail garment worn in combat or tournaments that bore the heraldic design. Coats of arms are traditionally unique to an armiger, such as an individual person, family, state, or organization, and are governed by the rules of heraldry.

The iconography of a coat of arms relies on a strict visual vocabulary designed for immediate identification. The shield is divided into fields featuring specific tinctures, patterns, and charges. Tinctures carry specific meanings, such as red for courage and blue for loyalty. Charges are symbols that represent the values, achievements, or history of the armiger. Lions symbolize courage, eagles represent power, and crosses denote faith. The full heraldic achievement includes a helm representing the knight's helmet, a crest atop the helm, mantling representing protective cloth, supporters holding the shield, and a motto encapsulating guiding principles. Because of their importance in identification, particularly on legal seals, heraldic achievements have a formal description called a blazon, which uses specialized vocabulary to ensure consistency in depictions.

Heraldic designs came into general use among European nobility in the 12th century, evolving from decorated equestrian shields. Early designs were personal to individual noblemen, but by the end of the 12th century, arms became hereditary, such as in England during the Third Crusade. In the 12th to 14th centuries, arms were simple, utilizing few colors with strong contrasts and a single charge. Over time, the use of arms spread beyond the nobility to the clergy, towns as civic identifiers, and royally chartered organizations like universities and trading companies. Burgher arms emerged in Northern Italy in the second half of the 14th century and in the Holy Roman Empire by the mid-14th century. As the number of arms grew, so did their complexity. By the late medieval period, arms appeared across diverse media including seals, coins, book illuminations, stained glass, and sculpture. The French system greatly influenced British and Western European heraldry, establishing much of the terminology and classification. In the present day, coats of arms continue to be used by institutions and individuals, often protected as intellectual property or trademarks.

Notable historical coats of arms include the Royal Arms of England, which features three golden lions on a red field, a design dating to the reign of Richard the Lionheart in the 12th century. The Scottish coat of arms features a red lion rampant on a yellow field, surrounded by a border of fleurs-de-lis. The Vatican City coat of arms depicts two crossed keys and a tiara, representing the Pope's spiritual and temporal authority. In 1581, Queen Elizabeth granted arms to Sir Francis Drake featuring a ship on the terrestrial globe, a wyvern, and the motto Sic Parvis Magna. In the decorative arts, an armorial panel with the Stuart coat of arms, created around 1685 to 1688, exemplifies the motif in British woodwork, crafted from limewood with parcel-silver and gilt.

The legacy of the coat of arms extends into modern corporate and governmental identity. Heraldry has been compared to modern corporate logos, serving a similar function of immediate visual identification. Today, national, regional, and city coats of arms appear on flags, seals, and official documents, connecting modern societies to their historical roots. While the use of arms by individuals declined after the mid-18th century due to their association with a declining aristocracy, a slow revival began in the second half of the 19th century. Municipalities and regions rediscovered the value of arms as expressions of territorial identity. In the United States, it remains entirely legal for any person to design, adopt, and use an original coat of arms, though commercial enterprises that claim to sell the arms of a surname operate under false pretenses, as mere coincidence of a family name does not prove descent or right to those arms.