In 1961, the flag was used as a symbol of peace during a demonstration against nuclear weapons in italy.
A flag using the seven colours of the rainbow. The designs differ, but many of the colors are based on the spectral colors of the visible light spectrum. The easiest way to remember the rainbow color order is to use the mnemonic device roygbiv, in which each letter stands for the first letter of the color. 6 rows the pride (rainbow) flag has 6 primary colors, which are red, orange, yellow, green, indigo.
