Latvia for the next 45 years. The peaceful Singing Revolution, starting in 1987, called for Baltic emancipation from Soviet rule and condemning the Communist regime's illegal takeover. It ended with the Declaration on the Restoration of Independence of the Republic of Latvia on 4 May 1990, and restoring "de facto" independence on 21 August 1991. Latvia is a democratic sovereign state, parliamentary republic and a very highly developed country according to the United Nations Human Development Index. Its capital Riga served as the European Capital of Culture in 2014. Latvian is the official language. Latvia is a unitary state, divided into
Libraries of the University of Latvia in year 2000, the original doors and interesting plafonds made in 1890 are still visible at Kalpaka Boulevard 4. The Central library of the Library of University of Latvia is multidisciplinary information resources collection, that contains broad collection of publications from Latvia, Scientific Papers from University of Latvia, dissertations from University of Latvia since the early days of the university until nowadays, continued publications in all scientific disciplines, periodicals, fiction etc. Collection comprises over 2 million units and is continually expanded. The Library offers books, periodicals, audiovisual materials, unpublished documents, electronic publications and other resources in various fields of science