Noteworthy that the Spartans, as the overhyped hyper-militaristic imperialists unable to invade their own front lawn that they are, got their arses kicked not just by gay men, but also by the women of Argos[1↗] and Etruscean crossdressers[2↗], as per Plutarch's De Mulierum Virtutibus.
[1]:
But when Cleomenes king of the Spartans, having slain many Argives [...] proceeded against the city, an impulsive daring, divinely inspired, came to the younger women to try, for their country's sake, to hold off the enemy. Under the lead of Telesilla they took up arms, and, taking their stand by the battlements, manned the walls all round, so that the enemy were amazed. The result was that Cleomenes they repulsed with great loss, and the other king, Demaratus, who managed to get inside [...], and gained possession of the Pamphyliacum, they drove out. In this way the city was saved.
[2]:
The wives of the prisoners, coming to the prison, [...] were permitted by the guards to pass within just to greet and to speak to their husbands. When they had gone inside they bade their husbands to change their clothing quickly, leaving their own for their wives, and then, putting on their wives' garments, to depart with their faces covered. This done, the women waited there, prepared to face all terrors, but the guards were deceived and allowed the men to pass, supposing [...], that they were women.
Following this, they seized the strongholds on Mount Taÿgetus, incited the body of Helots to revolt, and gladly received them as an addition to their forces. The Spartans were thrown into a great state of fear and, sending heralds, made peace with them, the conditions being that they should get back their wives, should receive money and ships, and sail away [...]