Polish is the main language of Dziennikarstwo UE Katowice 2014-17 facebook group. Having alot of group type in Facebook: close, open and secret and it is a CLOSED group. They attracted 128 members. So it is a Tiny group. 1643712185853181 is the identifier of this group with Facebook. 2015-02-03 21:29:04 is the closest date we have information about it.
GRUPA 1:
https://www.facebook.com/groups/697994150294607/
GRUPA 2:
https://www.facebook.com/groups/845139598860239/
GRUPA 3:
https://www.facebook.com/groups/1538745826342044/