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
I Can Sing a Rainbow version was also the closing theme song for the Philadelphia children's TV show, "Captain Noah and His Magical Ark." The song has been used to teach children names of colours. However, despite the name of the song, not all the colours mentioned are actually colours of the rainbow (the colour pink, in particular, is not), and they are not presented in order of the visible light spectrum. I Can Sing a Rainbow "I Can Sing a Rainbow," also known as "Sing a Rainbow," is a popular song written by Arthur Hamilton. It was featured in the 1955 film "Pete Kelly's