After the Russian Revolution of 1917, Estonia declares independence.
Following the Molotov-Ribbentrop Pact between Nazi Germany and the Soviet Union, Soviet troops invade the Baltic region and incorporate Estonia along with the two other Baltic republics into the Soviet Union.
The Soviet government recognizes the independence of the Baltic Republics.
Estonia formally admitted to both the North Atlantic Treaty Organization (NATO) and the European Union (EU).
Estonia adopts the Euro as its currency.