To celebrate that Chat threads will no longer disappear after 90 days, I thought I'd honour that with something that's been a MN staple over the years: curious facts that apparently came as a surprise to some people.
Sad person that I am
, I've kept a note of some of these over the years. I won't paste them all into this first post, but feed them in over time assuming anyone shows the slightest interest. Please add your own...
The following are all TRUE. In some cases, you may think "so what?", but remember each one has come up because a MNetter found it surprising or even BELIEVED SOMETHING CONTRADICTORY 
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Places
The Channel Tunnel passes through the bedrock underneath the sea, it's not sitting in a tube resting on the seabed.
Edinburgh is further west than Liverpool and Bristol.
Portsmouth is on an island off the British mainland. Gibraltar is not an island.
Casablanca is in North Africa (Morocco).
Timbuktu is a real place (in Mali, Africa).
Dunkirk is in France (not Scotland) - maybe the film will now have got everyone up to speed on that one
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Budapest and Bucharest are different cities.
County Durham is in NE England (County Down is in N Ireland).
Tripoli is in Libya.
The place you hear as 'Arkinsaw' is written 'Arkansas'.