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
Rainbow Loom YouTube channel featured 66 how-to videos and had received nearly 4 million hits. In November 2013 third-graders at St. John the Worker school in Orefield, Pennsylvania participated in a "Rainbow Loom-a-thon", weaving rubber-band bracelets for cancer patients. Rainbow Loom was named one of the three most popular toys of 2013 by Cyber Monday Awards and was the most-searched toy on Google that same year. It was described in a 2014 BBC News article as "one of the most popular toys in the world". Among the celebrities seen wearing Rainbow Loom bracelets given to them by fans are Prince William, Duke