
1) National symbol of Poland
Found on
https://www.crosswordclues.com/clue/bogurodzica

The origin of the song is not clear (the thesis about the authorship of St Adalbert has been rejected). It used to be related either to Latin liturgy, the tradition of church hymns, Greek or Old Church Slavonic influences, Western or Eastern culture. The two initial stanzas were created first - probably in the middle or at the end of the thirteent...
Found on
http://en.wikipedia.org/wiki/Bogurodzica

(from the article `Polish literature`) ...was allowed by the church where Latin could not meet particular needsin prayers, sermons, and songs. The oldest surviving poetry text in Polish ...
Found on
http://www.britannica.com/eb/a-z/b/86
No exact match found.