Yep, we’re talking aboutGuinness, the unofficial drink of St. Patrick’s Day.

Some might even say it’s so filling, one pint can be as satiating as a regular meal.

Guinness is actually red.

guinness glass filled closeup

Shutterstock

The rich color comes from roasted malted barley (which is a similar way coffee beans are roasted).

That small ball in your Guinness can beat out the internet for a technology award.

No, the manufacturers weren’t playing beer pong when they sealed up your can.

poured guinness in glass with red tint

Shutterstock

It’s actually a Guinness widget that’s working hard to replicate the draught experience in a can.

Doctors used to prescribe Guinness to patients.

Guinness may benefit your gut and heart health.

bottles and cans for Guinness

Shutterstock

Guinness is vegan.

Without it, the beer is now officially vegan-friendly.

According to scientists, .56 milliliters of Guinness is trapped in a beard or mustache with each sip.

Pregnant woman

Shutterstock

And it takes about 10 sips to finish a pint.

An estimated 92,370 Guinness consumers every year in the U.K. have facial hair.

Three of Guinness' five breweries are in Africa.

Pint of Guinness at a pub in Dublin, Ireland

Shutterstock

Wherever the British Empire established colonies or stationed soldiers, Guinness shipped their beer.

Pouring a Guinness beer is a six-step art form that involves a one-minute-59.5-second break.

The proper Guinness pouring process begins with a cool, dry glass.

dark colored guinness in glass closeup

Shutterstock

You want to hold the glass at a 45-degree angle beneath the tap’s spout.

Let it settle for precisely 119.5 seconds.

Don’t let it overflow, and “never use a spatula to level the head.”

beer foam stuck in mans facial hair on upper lip

Shutterstock

That’s just blasphemy!

An injured cavalry officer credited Guinness for his recovery.

No wonder the slogan was “Guinness is good for you” in the 1920s.

guinness brewery building

Shutterstock

‘The Guinness Book of World Records’ was inspired by an argument in a pub.

The conversation prompted the idea of areference bookabout all the “superlatives” debated in pubs.

A few years later, the first Guinness Book of World Records was published in 1954.

3 guinness glasses being poured

Shutterstock

The original Guinness brewery’s lease runs out in the year 10,759.

The annual rent was 45, which is about $60 U.S. dollars.

Unfortunately, the lease was nullified after Guinness bought the property outright and expanded to a 50-acre brewery.

Guinness beer on a pub’s counter

Shutterstock

But “don’t worry, we’re not planning on going anywhere,” theGuinness website jokes.

The original lease is still in the archives at the Guinness Storehouse in Dublin.

Arthur Guinness had 21 children.

guinness book of records

Shutterstock

Guinness married an heiress named Olivia Whitmore, with whom he had 21 children.

Ten of Guinness’s offspring survived into adulthood.

Guinness worked well into his seventies, supervising the Dublin brewery with the assistance of three of his sons.

guinness saint james gate brewery in dublin

Shutterstock

He died in 1803, but his legend obviously lives on.

Guinness started off brewing ale.

He decided to give it a try, and the rest, as they say, is history.

family with kids walking at sunset

Shutterstock

By 1799, Guinness decided to stop brewing ales and concentrate on porters.

The ‘Black Velvet’ was invented by a mourning bartender.

The Irish government had to alter the trademark of its coat of arms because of Guinness.

8 poured guinness in 8 glasses

Shutterstock

He wanted to trademark the harp facing in both directions for maximum protection against image theft.

Instead, they decided to only register the left-facing harp as the trademark.

Guinness createdand then canceledits own holiday.

Guinness Black Velvet cocktail

Shutterstock

The holiday was celebrated for five years, up until 2013 when the companycanceled the celebration.

The Guinness Storehouse was the first skyscraper in the British Isles.

The Guinness Storehouse, which was erected in 1904, was the first skyscraper building in the British Isles.

man and woman holding up glasses of dark beer guinness

Shutterstock

The seven-story tourist hot spot is built around a giant pint.

If that massive glass was filled, it would contain 14.3 million standard pints of Guinness.

Just imagine how long that would take to pour if you were following Guinness’s high standards!

guinness store tour group in lobby

Shutterstock

A previous version of this story was published in March 2019.

It has been updated to include additional research.