| Y/M/D | Description | Place |
|---|---|---|
| 1856/00/00 | Alfred Nobel searches desperately for new products. Nikolai N Zinin, Nobel's chemistry teacher, reminds him of nitroglycerin. | |
| 1862/00/00 | Alfred Nobel starts his experiments with nitroglycerin. | |
| 1863/00/00 | Nobel obtains the first patent on nitroglycerin (blasting oil) as an industrial explosive. He develops and patents a detonator (blasting cap) for triggering the explosion of nitroglycerin. He also moves to Stockholm, where he continues his experiments. | |
| 1864/00/00 | Emil, Alfred Nobel's brother, is killed during the preparation of nitroglycerin at Heleneborg, Stockholm. | |
| 1864/00/00 | Nobel continues his experiments and forms the company Nitroglycerin AB in Stockholm, Sweden. | |
| 1866/00/00 | Nitroglycerin is tried in the Hoosac for the first time with great success by Tal P Shaffner, under the direction of chief engineer Thomas Doane. | Hoosac Tunnel, Florida, MA |
| 1866/00/00 | Nitroglycerin is tried in the Hoosac for the first time with great success by Tal P Shaffner, under the direction of chief engineer Thomas Doane. | Hoosac Tunnel, North Adams |
| 1867/00/00 | Alfred Nobel obtains a patent for dynamite. | |
| 1875/00/00 | Alfred Nobel invents blasting gelatine in Paris and patents it in 1876. He establishes Societe Generale pour la Fabrication de la Dynamite in Paris, France. | |
| 1876/00/00 | Dynamitaktiengesellschaft (DAG), formerly Alfred Nobel and Co (Hamburg, Germany), is formed. |
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