It features the white horse of Kent on a red background, a theme used in several other Kent-related coats of arms and logos or symbols.

[1] The flag is an adaptation of what was thought to be the traditional arms of Kent as popularised by Richard Verstegen's 1605 work, A Restitution of Decayed Intelligence.

[citation needed] The design didn't catch on as a symbol of the modern county of Kent until the mid-18th century and didn't appear in flag form until the 19th century.

[2] The arms were officially granted to Kent County Council on 17 October 1933 (and re-confirmed to its successor in 1975).

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