Cameroonian President Paul Biya, the world’s oldest head of state, turns 92 on Thursday. Biya is the world's longest-serving national leader and Africa's second-longest-ruling president.

Women have increasingly taken on leadership roles in the contemporary world, as they continue to break barriers and make history in their respective countries. From becoming heads of state to ...

Through head-of-state diplomacy, China's relations with the world have undergone positive and profound changes, Chinese Foreign Minister Wang Yi said Friday. In the past year, President Xi Jinping ...