Facebook unveiled the trending topics for 2013 year in review.
The social network of some 1.2 billion users released the topics, people and life events its users discussed the most in 2013.
Facebook says it analysed life events and places generated the most posts and check-ins in 2013.
Pope Francis tops Worldwide Trending Topic List of the The world's largest social network.
Below is the list of the most trending topics in 2013 on the social media giant.
Tour de France
Source: Al Jazeera