Well, there appear to be two sources of the story,
There are even myths about the Trojan horse itself:
Therefore, the Trojan Wars could have been a myth, or at least a story made up of both myth and truth. Ultimately, it is unlikely we will ever know, which is why many suggest it should be treated as a classic tale, not an historical event.
However, whatever the truth, it makes a cracking good story, as well as a great way to make learning about the Greek Gods fun, which is why we have published the musical The Trojan Horse – The Fall of Troy which you can rehearse to day at https://www.educationalmusicals.co.uk/product/the-trojan-horse-dupicate/