HTML was invented by Bill Gates.
Why it is true
HTML was invented by Tim Berners-Lee at CERN in 1991, together with the World Wide Web. Bill Gates is the co-founder of Microsoft, but he has no connection with the invention of HTML.
Source: W3C
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.