A/RES/49/146 Page 7 (i) Training course on national legislation prohibiting racial discrimination for nationals from countries with and without such legislation; (j) Regional seminars on nationalism, ethno-nationalism and human rights could also provide an opportunity for broadening knowledge of the causes of today’s ethnic conflicts, particularly of the so-called policy of ethnic cleansing, in order to provide solutions; (k) Seminar for educational and training experts, including non-governmental organizations, in cooperation with the United Nations Educational, Scientific and Cultural Organization and other appropriate organizations, aimed at the development of educational materials and training courses for teachers and other opinion leaders on eliminating prejudice and fostering tolerance. 8. The General Assembly requests the Department of Public Information of the Secretariat to undertake specific activities that could be carried out by Governments and relevant national non-governmental organizations to commemorate the International Day for the Elimination of Racial Discrimination on 21 March each year. Support should be sought from artists, as well as religious leaders, trade unions, enterprises and political parties, to sensitize the population to the evils of racism and racial discrimination. 9. The Department of Public Information should also publish its posters for the Third Decade and informative brochures on the activities planned for the Decade. Documentary films and reports, as well as radio broadcasts on the damaging effects of racism and racial discrimination, should, moreover, be considered. 10. In cooperation with the United Nations Educational, Scientific and Cultural Organization and the Department of Public Information, the General Assembly supports the organization of a seminar on the role of mass media in combating or disseminating racist ideas. 11. In cooperation with the International Labour Organisation, the possibility of organizing a seminar on the role of trade unions in combating racism and racial discrimination in employment should be explored. 12. The General Assembly invites the United Nations Educational, Scientific and Cultural Organization to expedite the preparation of teaching materials and teaching aids to promote teaching, training and educational activities against racism and racial discrimination, with particular emphasis on activities at the primary and secondary levels of education. 13. The General Assembly calls upon Member States to make special efforts: (a) To promote the aim of non-discrimination in all educational programmes and policies; (b) To give special attention to the civic education of teachers. It is essential that teachers be aware of the principles and essential content of the legal texts relevant to racism and racial discrimination and of how to deal with the problem of relations between children belonging to different communities; (c) To teach contemporary history at an early age, presenting children with an accurate picture of the crimes committed by fascist and other totalitarian regimes, and more particularly of the crimes of apartheid and genocide; /...