Any of various leaf-eating Old World monkeys that live in trees in South Asia. There are about 20 species. Langurs are related to the colobus monkey of Africa. (Genus Presbytis and other related genera.)
The flag is modelled on the Stars and Stripes of the United States' flag. The stripes represent the nine provinces at the time of liberation. Blue and white are the colours of Argentina and also of national hero, José Gervasio Artigas. Effective date: 12 July 1830.