She's probably one of the most recognisable names in the world after Justin Bieber and Ronald McDonald, but there's still a sizeable population of the universe who don't know who Margaret Thatcher is.
Some suggest that she was on I'm A Celebrity (that was her daughter, Carol).
Others think she might have played Professor McGonigal in Harry Potter (Nope, that's Maggie Smith, close though).
And some, according to Wonderland magazine, think that it's Cher that has died, because of the hashtag #nowthatchersdead.
Despaired of humanity yet?
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