Europe European identity concepts of identity nation building thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPF Political ideologies and movements thema EDItEUR::N History and Archaeology::NH History::NHD European history thema EDItEUR::N History and Archaeology::NH History::NHT History: specific events and topics::NHTB Social and cultural history Knowledge-based society cognition rationality thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999::3MPQ Later 20th century c 1950 to c 1999 thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBC Cultural and media studies::JBCC Cultural studies thema EDItEUR::N History and Archaeology thema EDItEUR::P Mathematics and Science::PN Chemistry::PNR Physical chemistry::PNRS Solid state chemistry thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTK Philosophy: epistemology and theory of knowledge