African leaders have launched a landmark 55-nation trade zone, the agreement was signed on Sunday by Nigerian president Muhammadu Buhari and Benin’s President Patrice Talon.

AU commission chairman Moussa Faki dubbed the African continental free trade area deal a “historic” moment.

The trade zone will create a 3.4 trillion economic bloc and will unite 1.3 billion people, helping a new era of development across the continent.