Sandwiches have become a staple food item for Americans in all different variations.

To celebrate its diverseness, comes National Sandwich Day, which recognizes the creation of two slices of bread stacked together with layers of sort some of filling in between on Nov. 3.

Restaurants will be offering freebies and BOGO deals in honor of the national day for sandwiches, seen below.

Wienerschnitzel:

Get a free chili dog when you order online.

Subway:

Get a buy-one-get-one-free deal on any foot-long sub.

Popeyes:

Popeyes is offering a free chicken sandwich with the purchase of a chicken sandwich combo from Nov. 3 - Nov. 9.

Arby's:

Get a free classic roast beef sandwich with any purchase.

Potbelly:

Get a buy-one-get-one free sandwich promotion, available through Potbelly.com or the Potbelly app.

McAlister's Deli:

Rewards Members get a buy-one-get-one free deal with a promo code.

Jersey Mikes:

Customers can get free delivery on all orders placed through the Jersey Mike's app from Nov. 3 through Nov. 7.

Firehouse Subs:

Firehouse subs is offering a variety of deals for their Firehouse rewards members, but the deals will not be announced until National Sandwich Day.