Thailand (1782)
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The national flag of Thailand is a five-striped horizontal tricolor of red, white, blue, white, and red, with a broad central blue band.
Thailand’s national flag, known as the Thong Trairong or tricolor, was adopted on 28 September 1917 during the reign of King Rama VI. Its pattern is red, white, blue, white, and red in a 1:1:2:1:1 arrangement. Red represents the nation and the sacrifice and unity of the Thai people, white symbolizes Buddhism and religious purity, and blue represents the monarchy. The design followed earlier Siamese flags that included plain red fields, a white chakra, and later a white elephant on red.
White elephant flag introduced
A red flag bearing a white elephant became Siam’s official national flag.
Red-and-white stripes introduced
A five-stripe red-and-white design, with a red center stripe, was introduced as a civil ensign.
Current tricolour adopted
On 28 September, the center stripe was changed to blue and the five-stripe design became the national flag.
Flag colors standardized
An Office of the Prime Minister announcement specified standard color values for the flag.
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