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
TUI fly Belgium TUI fly Belgium TUI fly Belgium, legally incorporated as "TUI Airlines Belgium S.A./N.V." and formerly branded "Jetairfly", is a Belgian airline with its registered office at Brussels Airport. The airline is a subsidiary of the TUI Group and part of the TUI Airlines. TUI Airlines also incorporates the sister companies TUI fly Netherlands (The Netherlands), Corsair International (France), TUI fly Deutschland (Germany), TUI Airways (United Kingdom) and TUI fly Nordic (Sweden). The airline was created in November 2003 as home carrier for tour operator Jetair, part of tourism group TUI AG. The original plans were to operate two aircraft, but