What an example of a coutry that used a direct damocracy is?

The country with (an almost perfect) direct democracy is Switzerland (5 million voters), the voters decide on national referendums and initiatives 2-4 times a year.

In the USA (the federal government is an example of an indirect democracy) the State of California (20 million voters) is an example of direct democracy another example are the town meetings in some of the New England States (e.g. Vermont) which are held about once a year to decide local issues.