"Score Free Fries at McDonald's on National French Fry Day"

National French Fry Day is celebrated on the second Friday in July, with fast food chains like McDonald's, Burger King, and Wendy's offering free fries or deals. While some chains are offering deals on Thursday, July 13, others have giveaways that last beyond Friday. The origin of French fries is debated, with both France and Belgium claiming their invention. Burger King is offering free fries to Royal Perks members, while Checkers & Rally's is giving away free extra large orders of fries. Del Taco has deals through its loyalty program, Fatburger is offering free fries with any purchase, and Heinz and UberEats are giving customers $5.70 off orders that include fries. McDonald's is giving away free fries on Thursday, and Wendy's is offering free fries and a free Frosty with purchases made through their app.