The Greeks invade Troy within Trojan Horse 1184 BC
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The Trojan Horse was a massive hollow wooden horse designed and executed by Epeius and constructed by the Greeks as a fake "gift" or offering to the goddess Athena.
It was created to infiltrate the city of Troy after a 10 year siege and concealed elite Greek warriors, including Odysseus who masterminded the trick, Menelaus, and others who waited silently within awaiting the order to attack.
The Trojan Horse is widely considered a myth or literary invention and not a true historical event.
While the Trojan War was likely based on real, historical conflicts in the 12th through 13th century BC and Troy was a real city, the story of the, hollow, soldiers-filled wooden horse is not supported by evidence and likely represents a metaphorical siege engine or poetic invention.
So as such the event is primarily known from myths and the verbiage now describes a deception used to pass unnoticed through defenses.