Hispanic Heritage Month begins on September 15, the anniversary of independence for five Latin American countries—Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua. In addition, Mexico declared its independence on September 16, and Chile on September 18. Hispanic Heritage Month concludes on October 15. UCO celebrates Hispanic Heritage Week with entertaining and educational events such as film series, concerts, a salsa contest and much more. Hispanic Heritage Month Events Look for a listing of events in September 2007!