Comments
Estonia
Answer
External voting was practiced in Estonia much earlier than 2002. We set the year 2002 because of the fact that the legislation providing regulations for external voting for all the types of elections have been enacted in 2002. See sources.
Source
Parliament Election Act (Riigikogu) (2002-06-12)
Referendum Act (2002-03-12)
European Parliament Election Act (2002-12-08)