Flag of Tonga Cross, which had been adopted in 1863. As a result of this finding, the Tongan flag was set at the canton of a red field instead, leading to the present design of the flag. The previous design, nonetheless, remains a national symbol of Tonga. The current flag of Tonga also has some similarities with the flags of Switzerland and Georgia. Flag of Tonga The flag of Tonga consists of a red field with a white canton charged with a red couped cross. Adopted in 1875 after being officially enshrined into the nation's constitution, it has been the flag of the
Flag of Switzerland squares until 1889, when its dimensions were officially set. The civil and state ensign of Switzerland, used by Swiss ships, boats and non-governmental bodies, is rectangular in shape and has the more common proportions of 3:2. The Swiss flag is one of only two square sovereign-state flags, the other being the flag of Vatican City. The emblem of the Red Cross is the Swiss flag with switched colours. According to the 2017 flag law (SR 232.21), "The Swiss flag shows a Swiss cross on a square background". Special provisions are made for the naval ensign and for civil aircraft identification.