Sandwich's have become a stable food item for Americans in all different variations, enjoyed for breakfast, lunch, and dinner.

To celebrate it's diverse deliousness, 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.

In 1762, John Mantagu, the 4th Earl of Sandwich from England, did not want to leave his gambling table and asked for something he could eat in his chair. This led his cook to create a "sandwich" for him, which is now loved and seen as a normal part of food options everywehre.

Restaurants will be offering freebies, coupons, bogo deals, and charity options in honor of the national day for sandwichs, seen below.

Subway

Two coupons are available through ordering online or on its app for foot-long subs. Use code FREESUB to get a buy one, get one free deal at participating locations or use the code BOGO50 to get a buy one, get one 50% off discount.

Along with, a sweepstakes competition to win a free Roast Beef Sub. "Reply to this tweet with #Roasted4RoastBeef and #Sweepstakes for a chance to win a roast!," Subway said.

Popeye’s

New users that place their first digital order on the Popeyes app or through Popeyes.com and spend a minimum of $10 will receive a free chicken sandwich.

White Castle

White Castle is offering a printable coupon for a buy one, get one free original or cheese slider. Coupon available here.

Ike's Love & Sandwiches

Ike's is giving away 1,400 free sandwiches to rewards members. Check your rewards account to see if you were chosen.

Potbelly Sandwich Shop

Potbelly’s is offering a BOGO sandwich deal which applies for its Potbelly’s original size sandwich when ordered online or through its app.

McAlister’s Deli

Rewards members are being offered a reward that is good for a BOGO 50% of its sandwich’s until Nov. 17.

Panera

Panera is partnering with Celebs on Sandwiches to give 25 people a painting of themselves on sandwiches.

Jimmy John’s

Jimmy John's will be donating 100% of its sales of the new, limited-time “Beefy Black & Bleu Sandwich” to the Jimmy John's Foundation to support the Boys & Girls Club’s Workforce Readiness initiative.