Austria

1983 The 100th Anniversary of Prof. Dr. Karl von Terzaghi

1983 The 100th Anniversary of Vienna Town Hall

1983 The 300th Anniversary of Vienna’s Relief

1983 Assembly of Austrian Catholics

1983 Papal Visit to Austria

1983 The 13th International Congress on Chemotherapy, Vienna

1983 The 27th International Vocational Competition, 1983 Linz

1983 The 150th Anniversary of Carl Freiherr von Hasenauer

1983 The 7th World Congress of Psychiatry

1983 World and European Conference of Kiwanis International