title: The Significance of the Ultimatum in International Law: The Responsibility of the Head of the USSR for the Events of January 1991 in Lithuania
abstract: Summary This article analyzed the significance of the ultimatum as a means of declaring aggression against another state in international law, and what influence it has in evaluating the actions of the head of USSR in the context of the events of January 13th 1991. The first part of the article analyzed the classical concept of ultimatum and its meaning in international law. Later, alternative forms of expression of ultimatum, which were formed in the 20th century, and practiced during internati
journal: Mezinárodní a srovnávací právní revue/International and Comparative Law Review