The coats of arms of the U.S. states are coats of arms, that are an official symbol of the state, alongside their seal. Eighteen states have officially adopted coats of arms. The former independent Republic of Texas and Kingdom of Hawaii each had a separate national coat of arms, which are no longer used. Heraldic arms were worn (embroidered) on a coat which knights wore over their armor, hence coat of arms, a term which dates back roughly 1,000 years to jousting tournaments. A state coat of arms may exist independently of the seal, but the reverse is not generally the case. A seal contains a coat of arms or other devices whereas a state coat of arms constitutes the bulk of a seal, except for the wording identifying it as the "Great Seal of the State of..." A "seal" has been described as the design impressed on public or legislative official documents, whereas a coat of arms generally appears for illustrative purposes. Examples include flags and banners, and state militia uniform caps and buttons, as well as specifically-designed regimental coats of arms for U.S. Infantry Regiments, and National Guard units. Federal President Military States Heraldic Coats of Arms Non-Heraldic Shields and Seals Origin and history The coats of arms of the U.S. states date back to the admission of the first states to the Union. Despite the widely accepted practice of determining early statehood from the date of ratification of the United States Constitution, many of the original colonies referred to themselves as states shortly after the Declaration of Independence was signed on 4 July 1776. Committees of political leaders and intellectuals were established by state legislatures to research and propose a seal and coat of arms. Many of these members were signers of the Articles of Confederation, Declaration of Independence, and United States Constitution. Several of the earliest adopted state coats of arms and seals were similar or identical to their colonial counterparts. State Arms of the Union, illustrated by Henry Mitchell and published by Louis Prang (known as the father of the lithographic industry), offers historically accurate renderings of the state's coats of arms as they existed in 1876. An accomplished engraver with the Bureau of Engraving and Printing for 40 years, Mitchell was responsible for engraving several coats of arms for official state use as well as arms for well-known educational and philanthropic organizations. The illustrations