Europe

1961 Architectural Monuments in Austria

1961 Day of the Stamp

1961 The 150th Anniversary of Franz Liszt

1961 The 40th Anniversary of Burgenland

1961 World Bank Congress in Vienna 1961

1961 The 15th Anniversary of Nationalised Industry

1961 The 75th Anniversary of Sonnblick Observatory

1961 The 100th Anniversary of the Society of the Visual Arts

1961 European Conference of Transport Ministers 1961

1961 LUPOSTA VIENNA 1961