世界青年日
World Youth Day 2008 was a Catholic youth festival that started on 15 July and continued until 20 July 2008 in Sydney, Australia. It was the first World Youth Day held in Australia and the first World Youth Day in Oceania. This meeting was decided by Pope Benedict XVI, during the Cologne World Youth Day of 2005. The theme was "You will receive power when the Holy Spirit comes upon you" (from ).