↑ [[Belarusian language|Belarus, Cassubian, German and Ukrainian are used in five communal offices; however, they are not official languages. 3^ The adoption of Christianity in Poland is seen by many Poles, regardless of their religious affiliation, as one of the most significant national historical events.
↑ Główny Urząd Statystyczny. Baza Demografia. Ludność. Stan, ruch naturalny i wędrówki ludności w I kwartale 2014 r., stan na 31.03.2014.
