It is estimated that more than 10,000 languages were spoken in the World during the first millennium BCE.
About 460 BCE
Democratus lived in ancient Greece from about 460 BCE to about 370 BCE.
Cleisthenes 508 BCE, restored by Ephialtes 460 BCE and cemented by Pericles after Ephialtes' assassination.
Around 539 BCE.
460 B.C. or for atheists BCE
First Peloponnesian War happened in -460.
How was Athens not considered a Democracy from 460-430 BCE
No, Lydian became extinct sometime around the first century BCE.
Cleisthenes introduced the first democratic constitution in 507 BCE. After it lapsed it was reintroduced by Epialtes in 460 BCE and later turned into a radical democracy by Pericles in the late 440s BCE.
Begun by Cleisthenes 508 BCE, revived by Ephialtes 460 BC, extended by his deputy Pericles after Ephialtes was murdered for doing it.
Yes - a major example is the temple of Zeus at Olympia about 460 BCE.
Thucydides (460-400 BCE) wrote the history of the Peloponnesian War.