By Kelly Tyko | USA TODAYHere's a food holiday not canceled by the coronavirus pandemic: National French Fry Day.While 7-Eleven canceled its annual Free Slurpee Day, Chick-fil-A postponed its Cow Appreciation Day and Tax Day freebies and deals are nearly nonexistent, restaurants across the nation are still offering free fries and fry deals Monday.The holiday, also known as National Fry Day, is held annually on July 13.