yes, it was.
Athens
Athens was the worlds first democratic constitution
Athens, Greece
ostracism
It was the other way around. Athens adopted a radical democratic system, and this was a contributing cause of it getting involved in the Peloponnesian War and losing it. After losing the war and its empire, the citizens took less interest in democracy and reverted to less democratic forms of government.
Constantinople
Cleisthenes - By setting up a constitution
Ancient Athens adopted the first directly democratic government
Pericles was referring to the democratic nature of Athens' constitution as a model for others to admire. While Athens did showcase a unique and progressive democratic system for its time, it did not become a universal pattern for other societies. Different cultures and political contexts influenced the development of governance systems across the world.
Athens gave free males over the age of 20 the opportunity to vote and speak freely.
Athens was a democracy in part of the 5th and 4th Centuries 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.