Purpose. The purpose of the article is to analyze the Aachen Treaty concluded between France and Germany in the context of the UK’s exit from the European Union. Methodology and Approach. The analysis of the theoretical material (the text of the Aachen Treaty 2019). The study used the method of analysis, comparative-historical and institutional approach to determine the origin and essence of the Aachen Treaty. Results. On the basis of the study, it can be concluded that the treaty confirms the intentions of the hegemonic states to continue to build United Europe. Theoretical and Practical implications. The study helps to complement the theoretical picture of integration relations in Europe, as well as to get an idea about the prospects of relations between EU States after the UK leaves the European Union.

Aachen Treaty, France, Germany, international Treaty, Great Britain, Brexit, European Union

1. Vasil’ev M. V. [The Decline of the European Union]. In: Sovremennye nauchnye issledovaniya i razrabotki [Modern scientific research and development], 2017, no. 4 (12). Available at: http://olimpiks.ru/o-zhurnale (accessed: 09.07.2019).
2. Magadeev I. E. [The German policy of Paris in the 20s of XX century in the light of the First World War lessons]. In: Vestnik MGIMO Universiteta [MGIMO Review of International Relations], 2014, no. 4 (37), pp. 35–44.
3. Rangulova E. T. [Maastricht as a test of the Franco-German tandem]. In: Vestnik Tatarskogo gosudarstvennogo gumanitarno-pedagogicheskogo universiteta [Bulletin of the Tatar State Humanitarian Pedagogical University], 2010, no. 4 (22), pp. 268–271.
4. Upravlenie vneshnepoliticheskoi informatsii MID SSSR: sbornik osnovnykh dokumentov i materialov po Severoatlanticheskomu bloku (1963–1964) [Foreign policy information department of the USSR foreign Ministry: a collection of basic documents and materials on the NATO (1963–1964)]. Moscow, 1965. 856 p.
5. Huntington S. Political Order in Changing Societies (Russ. ed.: Rokityansky B. P., transl. Politicheskii poryadok v menyayushchikhsya obshchestvakh. Moscow, Progress-Traditsiya Publ., 2004. 480 p.).
6. Haglund D. G. Alliance Within The Alliance?: Franco-german Military Cooperation And The European Pillar Of Defense. Abingdon, Routledge, 2019. 228 p.
7. Krotz U., Schild J. Back to the future? Franco-German bilateralism in Europe’s post-Brexit union. In: Journal of European Public Policy, 2018, no. 25 (8), pp. 1174–1193.
8. Schild J. Franzosische Europapolitik unter Emmanuel Macron. Ambitionen, Strategien, Erfolgsbedingungen. In: Integration, 2017, no. 40 (3), pp. 177–192.
9. Kocs S. A. Autonomy Or Power?: The Franco-German Relationship and Europe’s Strategic Choices, 1955–1995. Westport, Praeger, 1995. 296 p.
10. Zunneberg C. ‘What are the dynamics between EU heavyweights in the face of Brexit?. In: European Council on Foreign Relations. [16.08.2017]. Available at: https://www.ecfr.eu/article/commentary_what_are_the_dynamics_between_eu_heavyweights_brexit_7222 (accessed: 09.07.2019).