Here is a Cultural Literacy worksheet on the Trojan War. This is an important event in world history, the progenitor of mythology (maybe even mythological itself), and the origin of a number of idiomatic and metaphorical expressions in English.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.