| 1854 |
 |
On the 16th October 1854, Rudolph Philipp Waagner received the "Iron trade authorisation" from the magistrate of the city of Vienna – the founding date of Waagner-Biro. In the same year, the fitter's companies "Anton Biró" and "Albert Milde & Co." merge |
| 1905 |
|
Fusion into "Aktien-Gesellschaft R. Ph. Waagner – L. und J. Biró & A. Kurz" |
| 1906 |
|
Stage engineering furnished to the Viennese state opera |
| 1924 |
|
Establishment of the current company name "Waagner-Biro" |
| 1910-1932 |
|
Numerous important bridges built in Vienna: Schweden Bridge, Floridsdorf Bridge, Frieden Bridge, Augarten Bridge, etc. |
| 1946 |
|
Reconstruction of the roof construction at the Viennese state opera |
| 1948 |
|
New roof framework for the Stephansdom |
| 1954 |
|
Reconstruction of the Viennese Burgtheater |
| 1960 |
|
Stage engineering systems for the Sydney Opera |
| 1962 |
|
Europa Bridge, Innsbruck |
| 1964 |
|
North Bridge over the Danube in Vienna |
| 1969 |
|
Roofing of the Olympia sports facilities in Munich |
| 1974 |
|
Work on the AKH Vienna and the UNIDO conference centre |
| 1979 |
|
Danube Bridge Wien-Floridsdorf |
| 1980 |
|
Danube Bridge, Brigittenau |
| 1982 |
|
Formation of a Foreign Branch Office in Dubai |
| 1985 |
|
Roofing of the Vienna Prater stadium |
| 1987 |
|
Delivery of 91 road bridges for Indonesia |
| 1989 |
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Another 91 modular bridges for Indonesia
Stage engineering equipment for the Teatro Real, Madrid |
| 1990 |
|
Separation into energy and environmental engineering (Graz) and steel and mechanical engineering (Vienna) |
| 1991 |
|
European Steel Design Award for the refurbishment of the Palmenhaus in Schönbrunn |
| 1995 |
|
Energy and environmental engineering area sold to VA-Tech |
| 1998 |
|
Formation of Waagner Biro Bin Butti L.L.C. in Abu Dhabi |
| 1999 |
|
Reduction from 16 segments to 5 business areas |
| 1999 |
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Foundation of WB Holding and subsidiary AG's |
| 1999 |
|
European Steel Design Award for the Reichstag's dome in Berlin |
| 2000 |
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Formation of Waagner-Biro Gulf L.L.C. in Dubai |
| 2001 |
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Foundation of Waagner Biro Ltd. in London |
| 2002 |
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Delivery of first panel bridges |
| 2003 |
|
Foundation of Waagner Biro Sp. z o.o. in Warsaw |
| 2003 |
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Merger of stage engineering companies under the umbrella name Stage Systems |
| 2003 |
|
European Steel Design Award for the roofing of the Queen Elizabeth II. Great Court in the British Museum, London |
| 2004 |
|
150 years Waagner-Biro |
| 2007 |
|
Formation of Waagner Biro Qatar W. L. L. in Doha |
