TL;DR: On March 19, fans can score a free vanilla soft-serve cone at participating Dairy Queen locations nationwide. The birds are singing, the temperature is climbing, and yes, that is the sun you can see peeping through the clouds. Spring is here, and so is Free Cone Day. Dairy Queen's Free Cone Day is making a triumphant return in 2026. On March 19, you can celebrate this special occasion by enjoying a free vanilla soft-serve cone at participating Dairy Queen locations. Simply stop by your local DQ restaurant to score this delicious treat — there's really no catch. Mashable Trend Report We recommend visiting Dairy Queen or downloading the Dairy Queen App to find a local restaurant that's participating. Now that the day is here, you don't want to be messing around looking for a restaurant. You want to be prepared. On Free Cone Day, the focus should be on free ice cream and nothing else. The promotion runs all day while supplies last and there's a limit of one free cone per person.…