The Lycurgus Cup is one such object.A GlassVessel with UnusualOpticalBehaviour. The Lycurgus Cup, generally dated to the fourth century CE, is the most elaborate surviving example of a Roman cage cup.
... or the state.” – Plutarch, Life of Lycurgus 16.1, 2 ... He claimed that it was a practice established by Lycurgus, the king and lawmaker of Sparta who probably lived in the eighth century BC.
The Lycurgus Cup, an ancient Roman feat of pioneering nanotechnology in the fourth century exhibited at the British Museum... The Lycurgus Cup owes its unusual properties to the use of tiny quantities of colloidal gold and silver.
Xenophon observed that Spartan society, under the laws of Lycurgus, required its citizens to engage in rigorous physical training ... “Lycurgus had also observed the effects of the same rations on ...
Lycurgus found himself in a difficult position when trying to impose his new laws on the state (the Great Clause), with the aim of ensuring that by the time a Spartan citizen reached the age of thirty, he would have full political rights.