Estonia joined in the New Year.
Estonia joined on the New Year (2011).
Estonia joined the EU in 2004.
Three EU member states have exceptions (that is, states not obligated to join the Zone), including Sweden
Estonia.
Estonia.
The currency in Tallinn, Estonia, is the Euro (EUR). Estonia adopted the Euro on January 1, 2011, replacing its previous currency, the Estonian kroon. The Euro is widely accepted for transactions in the city and throughout the country.
Estonia adopted the the euro as its currency on the 1st of January 2011.
The Baltic countries—Estonia, Latvia, and Lithuania—use the euro as their official currency. Estonia adopted the euro in 2011, Latvia in 2014, and Lithuania followed suit in 2015. Prior to the euro, each country had its own national currency: the Estonian kroon, Latvian lats, and Lithuanian litas. The transition to the euro facilitated trade and economic integration within the European Union.
Estonia adopted the Euro as its currency on the 1st of January 2011, to become the 17th country to join the Euro.
because they are part of the European Nations.
Yes they did!