Since its formation in June of 1977 at the hands of organizers “active in the Chicano movement and eager to extend its message of pride and empowerment,” Centro Cultural Aztlan has cemented itself as a steadfast pioneer of the Alamo City’s artistic communities — celebrating established, emerging and student artists exploring myriad forms of expression. Possibly best known as an early instigator of Día de los Muertos traditions in San Anto, Aztlan recently retired its beloved Lowrider Festival but still has plenty to celebrate as it marches into its 40th year. In keeping with its dedication to local creatives of all walks, the always-inclusive organization’s anniversary party doubles as a multi-genre spectacle uniting poets, performers, musicians, dancers and painters. Falling under the banner of “El Gran Día de Los Artistas,” the free, family-friendly event features 30-plus artists and artisans showing and selling work alongside demonstrations from San Antonio Potters Guild members, children’s crafting activities, poetry presentations from the likes of Eduardo Garza, Jacinto Cardona and Anthony “The Poet” Flores, and live music by Ruben V., Los Nahuatlatos, The Smoking Guns and I Ching Gatos. Free, 2-8pm Sun, Jun. 25, Centro Cultural Aztlan, 1800 Fredericksburg Road, Suite 103, (210) 432-1896, centroaztlan.org.