Chag HaMatzot is the first of the three annual chagim (Pilgrimage Festivals) in the Hebrew Calendar. In Rabbinical Judaism, Chag HaMatzot is called Pesach and in English this chag is known as Passover or Feast of Unleavened Bread.
Chag HaShavuot is the second of the three annual chagim (Pilgrimage Festivals) in the Hebrew Calendar. In English Shavuot is known as the Feast of Weeks or Pentecost.
Yom HaTeruah (Day of Joyous Shouting) is a holiday in which B’nei Yisrael is commanded to have a day of rest and a day of joyous shouting.
Yom HaKippurim (Day of Atonement) is the most solemn holy day of our year. On this day we lament and atone for the sins of B’nei Yisrael.
Chag HaSukkot is the third of the three annual chagim (Pilgrimage Festivals) in the Hebrew Calendar. In English this chag is known as the Festival of Booths/Tabernacles. For seven days we are commanded to live in sukkot (huts).
Purim was established as a remembrance of the defeat of Haman who pursued genocide against the Jews in the kingdom of Achashverosh.