International Week of Prayer for Christian Unity ! For more than 100 years, Christians around the world have taken part in an octave of prayer for visible Christian unity from International Week of Prayer for Christian Unity ! For more than 100 years, Christians around the world have taken part in an octave of prayer for visible Christian unity from January 18th to the 25th. By annually observing the Week of Prayer for Christian Unity (WPCU), Christians move toward the fulfillment of Jesus' prayer at the Last Supper "that they all may be one." Further information can be found at www.usccb.org.
