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 as the cross arms, so that the total height of the cross is fixed at 20:32 = 5:8 of the height of the flag (in other words, the width of the margin is 6:32 = 3:16). This ratio is also given as a "vexillological recommendation" in the flag regulation used by the Swiss Armed Forces. Flags with a cross of larger relative widths than the prescribed 20:32 = 62.5% remain in wide use; common ratios include 20:26 ≈ 76.9% and 20:28 ≈ 71.4%. For the ensign, the ratio of the size of the cross to the height is likewise 5:8,