Rainbow flag Alliance (ICA) designed an international co-op symbol and a flag for the first "Co-operators' Day," which was held in July 1923. After some experiments with different designs, a famous French cooperator, Professor Charles Gide, suggested using the seven colours of the rainbow for the flag. He pointed out that the rainbow symbolized unity in diversity and the power of light, enlightenment and progress. The first co-op rainbow flag was completed in 1924 and was adopted as an official symbol of the international cooperative movement in 1925. In 2001, the ICA's official flag was changed from a rainbow flag to a
The Colours of Animals come into play". To make the point, Wallace lists "the cones, cowries, olives, harps, volutes, pectens, and innumerable other molluscan shells; while many of the sea-anemones, and considerable numbers of the caterpillars with warning colours, are equally beautiful." And that was not all. Wallace continued: "Still more doubtful and more opposed to reasonable probability is the statement that 'our standards of beauty are largely derived from the contemplation of the numerous examples around us, which... have been created by the æsthetic preferences of the insect world'--alluding... to the colours and structures of flowers as being due to the need of