The first computer virus, Creeper, was created in 1971.
Why it is true
This experimental program was designed to move through the ARPANET, without causing actual damage.
Source: Computing
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.