a. pertaining to or lasting 100 years n. one hundredth anniversary. centennial, a. pertaining to or lasting 100 years; n.American, centenary. centenarian, n. person aged 100 years or more.
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.