Pope Francis has launched a special Day of Prayer and Fasting for Peace for war-torn nations, especially the Democratic Republic of Congo and for South Sudan that are suffering protracted conflict. He invites all men and women of goodwill to join in praying and fasting for peace on Friday 23^rd February.

http://w2.vatican.va/content/francesco/en/messages/peace.index.html

http://www.usccb.org/issues-and-action/human-life-and-dignity/war-and-peace/upload/World-Day-of-Peace-2018-handout.pdf