MARTINEZ -- The Contra Costa Board of Supervisors' 20th Annual Cesar E. Chavez Commemorative Celebration will be held April 9 in Martinez.

The free public event will be held from 11 a.m. to 1 p.m. at the board's chambers, 651 Pine St., Room 107 in Martinez.

The celebration will feature Juan Coria, the deputy regional administrator for the Western Region Wage and Hour Division of the U. S. Department of Labor. Coria works with employers and workers, and worked in Central America where he provided training on labor enforcement techniques to representatives from Honduras and Nicaragua.

Mariachi San Miguel will play traditional mariachi music and the Mexican Ballet Folklorico Quetzalen will showcase Mexico's traditional dance, music, dress and history.

There will also be a 2013 Youth Hall of Fame awards presentation.