Pope Francis' visit to the Philippines in January 2015 had become the largest papal event in history with around 6-7 million attended his final mass at Manila surpassing the then largest papal event at World Youth Day 1995 in the same venue 20 years earlier [REF].
Pope Francis announced on 1 February 2015 that he intended to visit Sarajevo, the capital of Bosnia and Herzegovina, on 6 June 2015.