A pot of gold at the end of the rainbow - a pot full of St. Patrick's Day wishes.
Holi is popularly known as the Indian "festival of spring", the "festival of colours", or the "festival of love".
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.
A leprechaun is a type of fairy of the Aos Sí in Irish folklore. They are usually depicted as little bearded men, wearing a coat and hat, who partake in mischief. They are solitary creatures who spend their time making and mending shoes and have a hidden pot of gold at the end of the rainbow.