Yes, there's a National French Fry Day, and yes, you can get free fries for it.
McDonald's said Monday that participating locations will be giving away a free medium order of fries to celebrate the occasion.
The offer requires the McDonald's app; users can either use mobile ordering to claim their free fries, or scan a code in store. No other purchase is necessary (and only one order of fries per customer).
A number of other chains are running fry promos as well, and the Idaho Potato Commission is running a National French Fry Sweepstakes.
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