Oreo is the world’s most popular cookie and is sold in more than 100 countries.

More than 450 billion Oreo cookies have been sold worldwide since their debut.

If all the Oreos ever manufactured were stacked, they could reach the moon and back more than five times.

Women are more likely than men to pull apart their Oreos before eating them.

Oreos once set the Guinness World Record for “most ‘likes’ on a Facebook post in 24 hours.” (114,619 likes)

Oreos are addictive. The sugar and fat content activate more neurons in the pleasure centers of the brain than cocaine or morphine.

When they first came out in 1912 Oreos were sold by weight at 30 cents per pound.

Oreos are now vegan, but until 1997 they were made with lard.

The world famous Oreos (est. 1912) are actually a knock-off of Hydrox cookies (est. 1908).

It takes 59 minutes to make an Oreo.

Different flavors of Oreos are available in different countries. In China, for example, you can get green tea ice cream Oreos. In Argentina, you can get dulche de leche and banana Oreos.

There are rumors that the design on the Oreo cookie's top comes from the Freemasons.

Oreo’s slogan has changed over time. 1950: "Oh!, Oh! Oreo!," 1980: "For the Kid in All of Us," 1982: "America's Best Loved Cookie," 1982: "The One and Only," 1986: "Who’s The Kid with the Oreo Cookie?," 1990: "Oreo, The Original Twister," 2004: "Milk’s Favorite Cookie."

Nobody knows where the name Oreo comes from. One theory is that it comes from the Greek "Oreo," meaning "beautiful, nice or well done."