The institution of this was the work of the conductor and artist Alfredo Guati Rojo (1918-2003), founder and director of the Museo Nacional de La Acuarela in Mexico City, which, in accordance with UNESCO, established, since 2000, the day November 23, as World Watercolor Day. The celebrations of the World Watercolor Day in Brazil started in 2001 at the initiative of Iole Di Natale , this artist who, equally, is one of the biggest fighters for the diffusion of watercolor in Brazil.
