The democracy in Greece. Greek democracy is what most democracy in the modern world is based on.
In 1890 the census declared there was no more available land, so I would say the Oklahoma Land Rush because it happened in 1889.
That is debatable because it can be argued that Athenian women led much more limited lives than Spartan women. However, for men, it may have been better in Athens because it was within Athens (during the Classical Period) that art, philosophy, literature and democracy flourished.