Abstract
International crises are dangerous episodes that can be destabilizing not only to the actors directly involved but also to the entire international system. Crises can present overwhelming challenges to established institutions and change forever the distribution of power. It is suggested that the stability of a political regime is demonstrated by its ability to avoid transformation as well as breakdown at times of crisis when the continuity of the regime’s identifying characteristics is threatened. The concept of «crisis» is rather vague and diffuse. This is not only the case in the public debate, but also in the political science literature. Despite its frequent use, no collectively accepted definition of a crisis exists. How to define the word crisis has been a problem for decades. The basic aims of this study are to present different views on international crises, to gain an understanding of the strengths and weaknesses of the literature on crisis definitions, and to develop an agenda for future research on international crisis management. In addition, we examined and compared several prominent 20th century international crisis waves in historical context by means of a wide range of general and special scientific methods. International crisis management has undergone a significant transformation in recent years. Its expansion in terms of tasks and timelines and the increasing number of actors involved have made effective coordination of activities and instruments an urgent priority.