1986 Introduction of the Austrian Digital Telephone Network
1986 Introduction of the Austrian Digital Telephone Network
Europe
1986 The 100th Anniversary of the Birth of Johann Böhm
1986 The 100th Anniversary of the Birth of Johann Böhm
1985 The 25th Anniversary of the OECD Convention
1985 The 25th Anniversary of the OECD Convention
1985 The 75th Anniversary of the Second Viennese Mountain Spring Water Supply Line
1985 The 75th Anniversary of the Second Viennese Mountain Spring Water Supply Line
1985 The 125th Anniversary of Hanns Hörbiger
1985 The 125th Anniversary of Hanns Hörbiger
1985 The 25th Anniversary of Eisenstadt Diocese
1985 The 25th Anniversary of Eisenstadt Diocese