• Lithuania declares independence after three years of German Troops occupation during World War I.

  • Soviet Russia invades the Baltic region and incorporates Lithuania into the Union of Soviet Socialist Republics (USSR).

  • After several years of independence talks, the new chairman of the parliaments, Vytautas Landsbergis, pushes further for independence. This prompted USSR to impose embargoes on the country, causing several economic difficulties. Lithuania eventually agreed to suspend independence talks. 

  • After a year of economic turmoil, Lithuania decides to restore independence talks. After the vote on the referendum in favor of independence succeeds, the USSR recognizes Lithuania's independence and starts to withdraw its troops. Lithuania join the United Nations (UN) and the Organization for Security and Co-operation in Europe (OSCE). 

  • Lithuania joins the North Atlantic Treaty Agreement (NATO) partnership for peace program. 

  • Lithuania officially becomes part of the NATO and the European Union (EU).

  • Lithuania is back on track to adopt the euro currency in 2014 after being denied entrance due to its high level of inflation in the past. 

  • Lithuania joined the euro zone

  • Joined the Organization for Economic Cooperation and Development

Sources:

BBC News open_in_new
Britannica open_in_new