Britannica Sources used in this answer

When did Estonia, Latvia, and Lithuania join the European Union and NATO?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Map of the Baltic States-Estonia, Latvia, and Lithuania-showing country borders, major uplands and plains, highest points, and the capitals Tallinn, Riga, and Vilnius. Surrounding countries and bodies of water, including Russia, Belarus, Poland, Finland, Sweden, the Baltic Sea, and the Gulf of Finland, are also labeled. — Baltic states The Baltic states: Estonia, Latvia, and Lithuania.

Estonia, Latvia, and Lithuania all joined both the North Atlantic Treaty Organization (NATO) and the European Union in 2004.12345