Tonga

National flag of the kingdom of 100% polyester and suitable for a flagpole 5ft x 3 ft 1500mm x 900mm. The flag of was adopted on 4 November 1875. The flag looks similar the flag of the Red Cross and was originally identical that flag but avoid confusion it was changed so that the red cross appeared as a canton of a red ensign making it similar the 17th-century English Red Ensign. The flag has been in use since 1864 but it was officially adopted only in 1875 Clause 47 of the n Constitution states "The Flag of shall never be altered but shall always be the flag of the Kingdom.".