National Hispanic Heritage Month 2012: Celebrated Sept. 15 — Oct. 15 In September 1968, Congress authorized President Lyndon B. Johnson to proclaim National Hispanic Heritage Week, which was observed during the week that included Sept. 15 and Sept. 16. The observance was expanded in 1988 by Congress to a monthlong celebration (Sept. 15 — Oct. 15), effective the following year. America celebrates the culture and traditions of those who trace their roots to Spain, Mexico and the … [Read more...]