Analysis of information sources in references of the Wikipedia article "Bendera Thailand" in Malay language version.
Sarit revived the motto "Nation-Religion-King" as a fighting political slogan for his regime, which he characterized as combining the paternalism of the ancient Thai state and the benevolent ideals of Buddhism.
The prevailing – although unofficial – view of the meaning of the five stripes is that red represents the land and the people; the white is for Theravada Buddhism, the state religion and the central blue stripe symbolises the monarchy. It has also been stated that blue was the official colour of King Rama VI. Another account claims the blue was inserted as a show of solidarity following Thailand’s entry into the First World War (in July 1917) as an ally of Britain and France.