"Keep calm and carry on," is one of the most popular memes permeating social networks today. Its varieties are typically witty if not notoriously hilarious.

Who would have thought in these modern times that the phrase was actually taken from a Second World War poster?

The "Keep calm" slogan, promoted by the Government of the United Kingdom in 1939, was meant to "raise the morale of the British public in the event of invasion," according to collective information at Wikipedia.

"Keep Calm" memes are so ubiquitous in social networks, that it is hard to imagine any situation that does not have a matching "keep calm" meme.

10 of the Best 'Keep Calm' Memes

10. Are you a 'Harry Potter' fan? Keep calm and call a Patronus.

9. Are you a writer trying to beat a deadline? Keep calm and write on.

8. Are you a superhero fan? Keep calm and call Batman.

7. Are you a spiritual creature? Keep calm and have faith.

6. Does food comfort you? Keep calm and eat bacon.

5. Are you the romantic type? Keep calm and stay in-love.

4. Do pretty things at the mall relax you? Keep calm and go shopping.

3. Can't you keep something that is bothering you? Keep calm and tweet about it.

2. Are you a student freaking out on school requirements? Keep calm and just graduate.

1. Does music soothe your exhausted mind? Keep calm and listen to The Beatles.

All of the above 'keep calm' slogans have been posted to various social networks and forums online. You can even create your own at Keep Calm-o-matic, a website exclusively created for 'keep calm' enthusiasts. "Keep calm and get social," the website says. Over 800,000 web users have used the meme generator, so far.

Click 'Start' to see more "Keep Calm" memes. "Game of Thrones" and "Lord of the Rings" fans will relate to some of these memes.

United Kingdom Social networks