And a whopping60% of the chain’s annual revenuecomes fromcoffee.

Here are some other things you probably didn’t know about this fast-food giant.

For more sweet fun, check out these15 Classic American Desserts That Deserve a Comeback.

Dunkin Coffee

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Dunkin' wasn’t always Dunkin'.

In its original iteration,Dunkin' was called Open Kettle.

In 1950, the business was renamed Dunkin' Donuts.

Dunkin Donuts box of donuts

Courtesy of Dunkin Donuts

And today, it’s just Dunkin'.

Theoriginal Dunkin' is still standing in Quincyand has been restored to its ’50s glory.

Every Dunkin' DrinkRanked by Sugar Content

An architect came up with the name.

Old fashioned dunkin

Courtesy of Dunkin' Donuts

Dunkin' was briefly Britishand then French-owned.

However, only one location remains in the United States, inGodfrey, Illinois.

Dunkin' is part of a larger brand consortium.

old dunkin donuts black and white photo

Courtesy of Dunkin'

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Yes, Munchkins are named after what you think.

Back in the day, doughnuts were cut by hand, which resulted in plenty of holes.

(Now, modern machinery dispenses just the rings of dough and the holes are made separately.)

Mister donut

Wikimedia Commons/Kuha455405

The companymarketed the holes to kidswhile the grownups went for the whole donuts.

you could’t buy single Munchkins.

Those mini donut ballsarrived on DD menus in 1972, but no, you could’t buy just one.

Dunkin donuts munchkins

Courtesy of Dunkin' Donuts

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There’s more variety than you think.

That’s thanks to the chain’s wide variety of syrups, shots, and sweeteners.

You’ll get a fresh cup of coffee, trust us.

Dunkin' Donuts Munchkins

Courtesy of Dunkin' Donuts

Hate the taste of burnt coffee?

So does Dunkin'.

So you’ll never get a stale cup.

Hot and iced coffee at dunkin donuts

Courtesy of Dunkin'

You once were able to get a coffee for just a dime.

Fast-Growing Donut & Coffee Chain Plans to Double In Size

The coffee quality control is impressive.

The chain’s version of the Cronut was only supposed to be temporary.

dunkin hot black coffee cup

Courtesy of Dunkin'

The product initially debuted in South Korea under the name “New York Pie Donuts” (pictured).

Dunkin' is considered ahot spot in South Korea.

dime coin

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There are hundreds of stores, and the experience is a lot different from the American one.

Dunkin' sells more coffee than donuts.

Dunkin' CEO Nigel Travis told CNBC in 2015that about 60% of Dunkin’s sales come from beverages.

Dunkin donuts iced coffee

Facebook/Dunkin Donuts

Dunkin' dropped half of its name for a reason.

The menu has undergone a major refresh over the years.

Bye-bye complicated foods, hello more coffee combinations to try.

Dunkin' donuts cronut

Courtesy of Instagram/@DunkinDonuts

Last year, Dunkin' cut 10% of its menu, according to theBoston Herald.

The changes included things like smoothies, sandwiches, flatbreads, and other items.

But in return, Dunkin' has since added new items, like theBeyond Sausage breakfast sandwich.

Korean dunkin' donuts

Courtesy of Flickr/LWYang

People have gotten married inside a Dunkin'.

There was once a Dunkin' diner.

And donuts and coffee, of course.

dunkin iced coffee

Courtesy of Dunkin' Donuts

But, sadly, this is now a thing of the past.

The chain sells millions of donuts every year.

While coffee is clearly the heart and soul of the franchise, the donuts are just as important.

dunkin iced macchiato

Courtesy of Dunkin'

Dunkin' sells around 2.9 billion donuts and munchkins globally each year.

That’s a whole lot of sweet treats!

The donuts actually underwent a makeover.

Dunkin' dropped full name

Courtesy of Google+ user Jose Reyes

You probably didn’t even realize this, but we promise, it’s all for the good!

All of the donuts sold at Dunkin' locations nationwide are now made withcolors from natural ingredients.

“My morning coffee ritual tends to change during the football season,“Robert Kraft toldBostonmagazine in 2010.

Dunkin donut wedding

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When we lose, I go through the drive-through.”

That’s one way to avoid the shame of defeat!

New Yorkers love Dunkin'.

Old dunkin' donuts restaurant

Courtesy of Instagram/@lowps

New Yorkers, however, don’t like to play second fiddle.

There are more than600 storesin NYC alone!

We’re not saying noshing on a donut is a reason to travel.

Dunkin' donuts national donut day box

Dunkin'/Facebook

That includes options like adonut topped with shredded pork in Chinaand a red bean donut in South Korea.

Dunkin' is America’s favorite chain coffee.

Dunkin' may have been a little late to the game, but hey, better late than never.

Dunkin' donuts natural colors

Courtesy of Dunkin' Donuts Newsroom

CalledDD Perks, the Dunkin' rewards app program gives you five points for every dollar you spend.

Every 200 points will get you a reward coupon for a free beverage.

A DD black card does exist.

dunkin donut with coffee

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There’s an exclusive donut club, and it’s mysteriously hard to get into.

As for the perks?

Apparently, not much.

manhattan new york

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you might enjoy Dunkin' coffee at home.

Products range from DIYCold Brew Coffee Packstobottled iced coffeeto K-cups to thebeansthemselves.

Everything on the menu is made to be customized.

two containers of bubble tea from dunkin

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Believe it or not, but nearly everything on Dunkin’s menu is customizable based on your preferences.

Dunkin' serves cold brew.

Dunkin' finally jumped on thecold brewtrend with its offering of this smooth, velvety beverage.

dunkin coffee cup on table

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Or your next international vacationno judgment.

Dunkin donuts rewards app

Courtesy of Dunkin' Donuts Newsroom

Dunkin donuts black card

@YardGoatsGM/Twitter

Dunkin donuts iced coffees

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Dunkin Donuts delivery

Courtesy of Doordash.com

dunkin menu signs

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Dunkin' donuts cold brew

Courtesy of Dunkin' Donuts