2 Bible Verses about the anniversary Feasts

So, he went and [eventually] came across a man who was the Ethiopian Queen Candace's treasurer. He was a high official and was also a eunuch [Note: This was a man without normal sexual activity], who had been to Jerusalem to worship [i.e., probably as a Jewish proselyte].

Now some devoted Jews from every nation of the world were visiting Jerusalem [for the Pentecost festival]. And when they heard the noise [of the blowing wind] a large number of them assembled [around the apostles] and were puzzled over how they could hear them speaking in their native languages. Being so amazed and astounded [at something so unusual happening], they exclaimed, "Look! are not all these men who are speaking from [the country of] Galilee? read more.
How is it then, that we are hearing them speak in our own native languages: Parthians, Medes, Elamites, people from Mesopotamia, Judea, Cappodocia, Pontus, Asia, Phrygia, Pamphylia, Egypt and areas of Libya around Cyrene, Jewish and proselyte travelers from Rome, Cretans and Arabians. How can it be that we hear [these apostles] speaking about the mighty accomplishments of God in the language of our national origin?

so thinking He was in the caravan, they continued traveling for an entire day [before] they began looking for Him among their relatives and friends.

After these things Jesus went up to Jerusalem to [attend] a Jewish festival.

But after His [half-] brothers had gone up to the Festival, Jesus also went up, but secretly instead of openly.

and to the church of the firstborn ones [i.e., those who have received an inheritance from their Father], whose names are recorded in heaven. [See Luke 10:20]. [You have come] to God, who is the Judge of all people, and to the spirits of righteous people who have become [morally] perfect [i.e., that great company of God's people who have gone on to their heavenly reward],

When Jesus was twelve years old, they [all] went up to the Festival as usual.