Since the founding of People’s Republic of China, more than 200 heads of state and leaders, including UN Secretary-General Ban Ki-moon, Queen Elizabeth II, former French President Jacques Chirac, Sarkozy, Russian President Vladimir Putin, the King and Queen of Belgium, King and Queen of Spain, the King and Queen of Sweden, former Canadian Prime Minister Jean Chretien, have visited Xi'an.

People: Michelle Obama, U.S. first lady

Time：March 24, 2014

U.S. first lady Michelle Obama and her two daughters spent some time on the remains of ancient city walls in Xi’an after visiting the famous terracotta warriors and Shaanxi History Museum.