The Romans used to crush rapist's naughty bits between two stones, and stoned deserters. The Romans liked stones.
They also used honey as a currency, and had a god for cupboards - Have.
When Plato defined a human as a featherless biped, the Cynic philosopher Diogenes plucked a chicken and ran into his academy exclaiming "Behold! I've brought you a man." and Plato added onto the definition "...with broad, flat nails."
The Sacred Band of Thebes, the military elite unit of Thebes that defeated Spartiate warriors who outnumbered them 3 to 6 times at the battle of Tegyra, consisted of 150 homosexual pairs as it was believed that the urge to defend one's partner strengthened their skill in combat.
Sparta was the most gender-equalist civilization in the ancient age and held that legacy for considerably after it. When asked why only Spartan women could rule men, Queen Gorgo responded "Because we are also the only women to give birth to men."
The Romans had a central heating system - the Hypocaust.
The framework idea of icecream was invented by Roman emperor Nero who ordered ice from the alps to be drenched in fruit juice.
PS. Add your own, that's the point!
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