| | |
| 1892 | Founding of the German Gas Light Company (Degea), the forerunner of Auergesellschaft |
| 1895 | Introduction of Auer light as street lighting in Berlin |
| 1896 | Introduction of Auer light by the Prussian Rail Company |
| 1901 | First subsidiaries in Austria, USA and England |
| 1902 | Development of the metal filament |
| 1906 | Development of the OSRAM electric bulb |
| 1911 | Taking on the patent for producing Mesothorium |
| 1913 | Start of production of luminescent materials. First step to X-Ray diagnosis |
| 1914 | Founding of Mine Safety Appliances Company; Pittsburgh (MSA) by Ryan and Deike |
| 1916 | Introduction of the respiratory protection range |
| 1918 | Production of industrial protective masks with filters |
| 1920 | Segregation of the OSRAM Works and sales to Siemens and AEG |
| 1923 | Start of production of luminescent colors |
| 1926 | Construction of the plant in Oranienburg |
| 1929 | Death of Carl Freiherr Auer von Welsbach |
| 1931 | Acquisition of the rights for compressed oxygen apparatus |
| 1932 | Start of training courses for respiratory protection as well as an own training gallery |
| 1934 | Affiliation of Auergesellschaft with Degussa |
| 1935 | Development of the luminescent tube |
| 1938 | Construction of the AUER Glass Works |
| 1941 | Death of John T. Ryan sen., founder of MSA |
| 1942 | Development of the carbon monoxyde indicator |
| 1945 | Destruction of the plant in Oranienburg |
| 1955 | Development of the gas indicator and the first detector tubes, as well as the compressed air breathing apparatus BD 55 |
| 1958 | Merging of Auergesellschaft with MSA |
| 1959 | Development of the catalytic combustion sensor |
| 1960 | Auergesellschaft becomes a Limited Company |
| 1961 | Foundation laying for Trier plant |
| 1962 | With their visit at AUER, Robert F. Kennedy and Willy Brandt set a signal of American alliance with Berlin |
| 1963 | Death of Georg H. Deike, founder of MSA |
| 1964 | Introduction of protective spectacles Perspecta |
| 1965 | Development of the 3S Mask |
| 1966 | Foundation of Permanent Instruments Division |
| 1967 | Development of particulate filters for clean rooms |
| 1969 | Introduction of Medical baths |
| 1973 | Founding of MSA Europe in Berlin. |
| 1978 | Auergesellschaft moves to the district of Neukölln. Develpment of the positive pressure compressed air breathing apparatus |
| 1991 | Development of the Gas warning system MC 6000 by debis and AUER |
| 1992 | Development of the helmet-mask combination Team F 200 by Schuberth and AUER |
| 1995 | Development of the compressed air breathing apparatus BD 96 |
| 1997 | Development of the Toximeter II, a multifunctional pump for detector tubes and sampling tubes |
| 2000 | Auergersellschaft GmbH becomes MSA AUER GmbH |
| 2002 | The leading European manufacturer of Head Protection Systems CGF Gallet joins the MSA Family and becomes MSA GALLET |
| 2004 | The Swedish company Sordin, manufacturer of high quality hearing protection, is integrated in the MSA Family and becomes MSA SORDIN |
| 2005 | MSA AUER Czech provides Sales and Service support in Czechia, located in Ostrava-Radvanice |
