Sunday September 26 will mark the end of Angela Merkel’s fourth term in office. Throughout his 16 years as German Chancellor, he forged strong ties with heads of state around the world. But the relationship between Germany and France was perhaps one of the most important. During her tenure, Merkel worked with four different French presidents. We take a closer look at how he fared with Jacques Chirac, Nicolas Sarkozy, François Hollande and Emmanuel Macron.