France–Germany relations of the further integration of the EU. They are sometimes described as the "twin engine" or "core countries" pushing for moves. A tram straddling the Franco-German border, across the river Rhine from Strasbourg to Kehl, was inaugurated on the 28th of April 2017 symbolising the strength of relation between the two countries. Both France and Germany track their history back to the time of Charlemagne, whose vast empire included most of the area of both modern-day France and Germany – as well as the Netherlands, Belgium, Luxembourg, Switzerland, Austria, Slovenia, and northern Italy. The death of Charlemagne's son Louis the
Belgium Dutch), although French is the dominant language of the population. Belgium's linguistic diversity and related political conflicts are reflected in its political history and complex system of governance, made up of six different governments. Historically, Belgium was part of an area known as the Low Countries, a somewhat larger region than the current Benelux group of states that also included parts of northern France and western Germany. Its name is derived from the Latin word "Belgica", after the Roman province of Gallia Belgica. From the end of the Middle Ages until the 17th century, the area of Belgium was a