Flags often imitate or are influenced by other nations, creating “flag families.” For example, the Netherlands’ red, white and blue flag from the 1500s set a precedent.

Flags often imitate or are influenced by other nations, creating “flag families.” For example, the Netherlands’ red, white and blue flag from the 1500s set a precedent.

Thailand's flag is also red, white and blue but the kit is a big splash of a cheerful bright yellow with blue accent panels. Yellow is the colour of the country's King Vajiralongkorn.