| 1980 |
Taken over by Rexel.
Development of Graphic & Studio ranges. |
| 1981 |
Rexel taken over by American Brands.
Cumberland Pencil Museum opens.
Lady Di and Prince Charles marry. |
| 1983 |
Development of Watercolour range (42 colours). |
| 1986 |
Developed Derwent Sketching & Drawing pencils. |
| 1989 |
Tim Berners-Lee invents the world wide web. |
| 1991 |
Achieved BS5750 Quality Standard. |
| 1992 |
Acco-Rexel |
| 1993 |
Achieved Investor in People accreditation. |
| 1993 |
Development of Pastel pencils. |
| 1994 |
Charcoal pencils launched. |