Poland, Czechoslovakia and Hungary established a closer relationship in the late eighties and early nineties of the twentieth century as a result of the fight against the communist system. In these difficult times interconnection helped to develop common goals to achieve. A similar level of development and the geopolitical situation in the three countries activated the society to act. Accession to the European Communities and the North Atlantic Treaty Organization was the main priority in those years. However, accession criteria were quite a challenge and only joint actions in this direction enable the challenges posed by the Member States of these organizations. This article presents the beginnings of cooperation Polish, Czechoslovakia and Hungary formed mainly within the Visegrad Triangle, included the difficulties that were to be overcome. It shows all steps in the development of regional relations and the way to democracy and a market economy. The complexity and spontaneity of this process is an important example of informal, and effective cooperation between countries, which has been going for over two decades.