In the history of Czechoslovakia, "normalization" is the name given to the period from the 1969 to the 80´s. It was characterized by initial restoration of which was led by Alexander Dubček (1968-1969) and subsequent preservation of this new status quo. Normalization is sometimes used in a narrower sense to refer only to the period between 1969 and 1971. When Gustav Husák became the leader of the KSČ in place of Alexander Dubček in April 1969 after the military intervention of Warsaw Pact armies, his regime acted quickly to "normalize" the country´s political situation. and JIří Hoppe.