Reformation turns 500

Pope Francis, the Rev. Martin Junge, general secretary of the Lutheran World Federation, and Archbishop Antje Jackelen, primate of the Lutheran Church in Sweden, far right, attend an ecumenical prayer service at the Lutheran cathedral in Lund, Sweden, Oct. 31, 2016. At far left is Cardinal Kurt Koch, president of the Pontifical Council for Promoting Christian Unit. (CNS/Paul Haring)

Pope Francis traveled to Sweden Oct. 31-Nov. 1, 2016, to commemorate the 500th anniversary of the Lutheran-Catholic Reformation.