Wind from Heaven came, and everyone was confused and scared.
Tongues of Fire from the Holy Spirit appeared, and everybody was speaking in there own language. The Holy Spirit enabled everybody to understand each other!
Jews hear what's going on and they come and see. Some people believe, and other people think they are drunk.
That day, 3,000 people repent and are baptized. These are new Christians. This day, Pentecost, is the birthday of the Catholic Church.
Peter speaks to the crowd and says how Jesus is the Messiah, and explains what the Holy Spirit gave them. Peter says in order to be saved, you need to be baptized and you need to repent.
These three sisters are praying.
Today we follow the Catholic teachings that Peter said that day. When we are baptized, we are like one of the 3,000 people who got baptized on Pentecost. At Church, we listen to the Word of God, just like the crowd listened to Peter that day.