Every year on January 31, people celebrate International Zebra Day.
World Down Syndrome Day is marked each year on March 21.
Purim is a Jewish holiday that commemorates the saving of the Jewish people from Haman, an Achaemenid Persian Empire official who was planning to kill all the Jews, as recounted in the Book of Esther.
Christmas is an annual festival commemorating the birth of Jesus Christ, observed primarily on December 25 as a religious and cultural celebration among billions of people around the world.
