Jews around the world end their eight-day celebration of Passover (April 11).
Eastern Orthodox Christians, who follow a different calendar from the West, have been observing Holy Week, culminating this Sunday (April 12) with Easter or Pascha.
Many Sikhs and Hindus celebrate Vaisakhi (April 14), a spring harvest festival that marks the new year.
April 15 is Yom HaShoah, Holocaust Remembrance Day.
Watch a piece by New York filmmaker Menachem Daum on a Holocaust survivor’s return to Poland.