Tolerant, democratic society is the foundation of European and also of our future. History as one of the fundamental general-educational subjects should be adjusted to the changes and needs in contemporary society. The young should be brought up in the establishment of democratic values for the open and multi-cultural society. On the example of development of Islam the author finds and warns, where are the reasons for intolerance and what teachers should take into consideration in order to prevent religious intolerance. In the continuation of the treatise, the author stresses tile problem of national history in the globalized world. In the syllabuses greater stress should be on key events of Slovenian history, simultaneous the instruction of history should also provide for the preservation of the rich tradition of the nation, as in the tide of consumerism the contents and origins of customs, usages and holidays are ever more being lost.