The fourth annual One World, One Valley, One Nation celebration of diversity and independence runs from noon to midnight today at State Fair Park, 1301 S. Fair Ave. Admission and parking are free.

The event, sponsored by the Yakima Herald-Republic, includes food vendors, information booths and plenty of activities for the family.

From noon to 6 p.m. you can cool down under the Yakima Fire Department fire truck's giant spray nozzle. There will also be hands-on kids' activities and face painting (1-6 p.m.), a learning-is-cool exhibition from the Pacific Science Center, Yakima Bears baseball and softball skills clinics with former major leaguer Jay Gainer, a carnival, a karaoke stage and a variety of live entertainment.

Here's the main stage schedule:

* 2:30 p.m. -- Los Bailadores del Sol (Mexican folk dancing).

* 4 p.m. -- Pacific Science Center's "Super Cool" liquid hydrogen show.

* 5 p.m. -- New Northwest Broadcasters karaoke finals.

* 5:45 p.m. -- TBA.

* 7:15 p.m. -- Meredith Andrews (contemporary Christian).

* 8:45 p.m. -- Williams & Ree (comedy).

* 9:50 p.m. -- Color guard and the national anthem, followed by a fireworks show at 10 p.m. (Tune in to 105.7 BOB FM for synchronized patriotic music set to accompany the fireworks program.)

Parking is free, but Yakima Transit will also offer park-and-ride bus services to State Fair Park from Eisenhower High School, Gateway Center (near Office Max) and Selah Junior High School.

Buses will run continuously from 3:30 p.m. to 9:30 p.m. and from 10:30 p.m. to 11:30 p.m. A $1 donation is suggested.

For complete information, visit www.yakima4thofjuly.org.