Sigma Delta Pi’s Triennial Convention and Centennial Celebration at the 101st AATSP Annual Conference in San Diego, CA: July 8-10, 2019 Posted on August 3, 2019 by Sigma Delta Pi / La Sociedad Honoraria de la Lengua Española in AATSP, Sigma Delta Pi Centennial, Triennial Convention Did you miss Sigma Delta Pi’s Triennial Convention and Centennial Celebration (1919-2019) at the 101st AATSP Annual Conference in San Diego, CA Last Month? Click here to see select photos. Click here to see the numerous national SDP award winners announced in San Diego. Related Published by Sigma Delta Pi / La Sociedad Honoraria de la Lengua Española View all posts by Sigma Delta Pi / La Sociedad Honoraria de la Lengua Española