Beyonce, an ambassador for World Humanitarian Day 2012, has helped the campaign make social media history as more than one billion messages have been shared in relation to the event.

The campaign, which launched August 2, asked people around the world to pledge to help another person on World Humanitarian Day.

At 9am (Eastern Standard Time) on August 19 more than one billion messages were shared at the same time: “This World Humanitarian Day I’m doing something good, somewhere, for ...