News About Public Radio Happy National Radio Day By Emily Hellewell Published August 20, 2013 at 6:00 AM CDT Twitter LinkedIn Email Claire Mueller / NPR Folks, take a look at your NPR Wall Calendar: Tuesday, August 20, is National Radio Day. Let's celebrate! Tell us in the comments what you are listening to today. Copyright 2021 NPR. To see more, visit https://www.npr.org.