The Federal Solution (Föderale Lösung in German, Szövetségi megoldás in Hungarian) refers to the new constitutional and dynastic solution given to the political crisis of the old Austria-Hungarian Empire between 1915 to 1921, establishing the Federal State of Austria-Hungary. Historically the Federal Solution it is divided in three stages, a) The Conference of March 1915, b) the Conference on the Organization of Austria-Hungary 1916-1917 and c) The Provisional Federal Assembly (June 1917- October 1921).