Helluntai (Pentecost) 1933 - "KOTILIESI" ("Hearth") - Finland // Pentecost (Greek pentecostē: “50th day”) also called Whitsunday. Major festival in the Christian church, celeb. on the Sunday that falls on the 50th day after Easter. It commem. the descent of the Holy Spirit on the disciples, which occurred on the Jewish Pentecost, after the Death/Resurrection/Ascension of Jesus Christ (Acts, 2); it marks the beginning of the Christian church.