Flag of Thailand and blue for the monarchy, the last having been the auspicious colour of Rama VI. As the king declared war on Germany that July, some note the flag now bore the same colours as those of the UK, France, Russia and the United States. The Flag Act of BE 2522 (1979) stipulates the design of the national flag as "rectangular in shape with 6 part width and 9 part length, divided into five stripes throughout the length of the flag; with the middle stripe being 2 part wide, of deep blue colour, and the white stripes being 1 part wide
Flag of Thailand recommended by the National Science and Technology Development Agency) The first flag used for Siam was probably a plain red one, first used under King Narai (1656–1688). Naval flags later used different symbols on the red ground—a white chakra (the weapon of the Hindu god Vishnu, which is also used as the symbol of the House of Chakri), or a white elephant inside the chakra. Officially the first flag was created in 1855 by King Mongkut (Rama IV), showing a white elephant (a royal symbol) on red ground, as the plain coloured flag was not distinct enough for international relations.