It ' s was back in 1770 , when a lot of church holidays were combined into a single day , because we had a lot of holidays back then . So now we have Great Prayday or Big Prayday depending upon translation , which is a combination of 3 rd day of Christmas . 3 . Juledag 3 rd day of Easter . 3 . Pskedag 3 rd day of Pentecost . 3 . PinsedagEpiphany H e lligtrekongerPresentation of Jesus at the Temple KyndelmisseSaint John ' s Eve Sankt HansFeast of the Annunciation Mari bebudelsesdagVisitation Mari besgelsesdagMichaelmas MikkelsdagAll Saints ' DayAll Hallows ' Day Allehelgensdag . Prior to 1770 , these were all national holidays . <| sep |> They actually would have Polish citizenship , since unlike most countries , Polish citizenship is passed down by blood .