1918 Latvia declares its independence from Russia.
1920 The Latvia-Bolshevist Russia peace treaty, which relinquished Russia's authority and pretenses to Latvia, is signed.
1934 Kārlis Ulmanis establishes an authoritarian government in Latvia.
1940 The United States' Under Secretary of State Sumner Welles issues a declaration on the U.S. non-recognition policy of the Soviet annexation and incorporation of three Baltic States: Estonia, Latvia and Lithuania.
1949 The extensive deportation campaign known as March deportation is conducted in Estonia, Latvia and Lithuania to force collectivisation by way of terror. The Soviet authorities deport more than 92,000 people from the Baltics to remote areas of the Soviet Union.
1990 Latvia proclaims the renewal of its independence after the Soviet occupation.
1991 In two concurring referendums: 74% of the population of Latvia votes for independence from the Soviet Union, in stonia
1991 Latvia declares renewal of its full independence after the occupation of Soviet Union.
1995 Latvia applies for membership in the European Union.
2002 Enlargement of the European Union: The European Union announces that Cyprus, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia will become members from May 1, 2004.