Adding Danish spell check to LibreOffice in Ubuntu

To install the Danish dictionary, run this command, from your terminal: sudo apt-get install hunspell-da

Restart LibreOffice, and from Writer, choose Tools -> Options... click Language Settings -> Languages in left menu. Under 'Default languages' - 'Western' select 'Danish'.

From this page: http://wiki.documentfoundation.org/DA/Dansk_ordbog