Oklahoma

This year's observances will include performances by local choir, ballet and theatre groups

The professor allegedly uttered the racial slur during class, sparking outrage

Multiple others are in critical condition

In an interview with Face The Nation, Republican Senator James Lankford of Oklahoma said Trump isn't a good role model for young people

Archeologists have identified what might be a mass grave of Black people killed during the 1921 Tulsa Race Riots, a massacre that killed 300

Police officials in Duncan, Okla., are responding to reports of a shooting at a local Walmart on Monday morning