| Date | Milestones |
|---|---|
| 01.10.1899 | Foundation of the Basler Kantonalbank and take-over of the Spar- und Leihkasse Riehen |
| 02.10.1899 | Opening of the Riehen Bahnhofstrasse branch |
| 02.10.1899 | Opening of the counters at Schifflände |
| 13.12.1926 | Opening of the Kleinbasel branch |
| 02.08.1927 | Opening of the Gundeldingen branch |
| 20.8.1928 | Opening of the Missionsstrasse branch |
| 1938 | Move to the main building at Spiegelgasse 2 |
| 22.11.1965 | Opening of the Steinenvorstadt branch |
| 27.12.1965 | Opening of the Brausebad branch |
| 18.05.1967 | Opening of the Neuweilerstrasse branch |
| 05.04.1968 | Opening of the Riehen Schmiedgasse branch |
| 13.11.1972 | Opening of the Aeschenvorstadt branch |
| 16.11.1978 | Opening of the Rauracherstrasse branch |
| 02.05.1984 | Opening of the Mustermesse branch |
| 18.11.1985 | Opening of the Breite branch |
| 16.09.1987 | Opening of the Kleinhüningen branch |
| 1988 | New building at Spiegelgasse 1 |
| 03.07.1989 | Opening of the Claraspital branch |
| 30.06.1990 | Opening of the Swiss Railway Station (SBB) branch |
| 30.06.1994 | Closing of the Riehen Baslerstrasse branch |
| 01.11.1994 | Closing of the Swiss Railway Station (SBB) branch |
| 1995 | Opening of Private Banking at Riehen |
| 01.12.1996 | Opening of the Trading Center |
| 06.01.1997 | Opening of Private Banking in Zurich |
| 20.08.1997 | Reopening of the Swiss Railway Station (SBB) branch |
| 10.11.1997 | Relocation of the Kleinhüningen branch |
| 08.12.1997 | Relocation of the Brausebad branch |
| 01.04.1998 | Formation of Sourcag AG jointly with BKB |
| 01.10.1998 | Opening of private banking Mittelland in Olten |
| 1999 | Basler Kantonalbank's 100-year jubilee celebration |
| 14.02.2000 | Majority holding in Bank Coop |
| 15.06.2001 | Opening of the Güterstrasse branch |
| 01.12.2001 | Concentration of IT business operations at group level with the Competence Center IT (CCIT) |
| 2006 | Establishment of the three Competence Centers at group level: Finance, Marketing and Personnel |
| 01.07.2009 | Partial sale of Sourcag AG to Swisscom IT Services AG |
| 21.09.2009 | Relocation of the Voltaplatz branch (new: BKB-Voltacenter) |
| 01.10.2009 | Implementation of the IT-platform Avaloq |
| 01.01.2012 | Formation of the Competence Center Asset Management |
| 01.04.2012 | Integration of AAM Privatbank AG into Basler Kantonalbank |
| 1st Quarter 2012 | Moving into Südpark next to Basel SBB (South Side) |
| 01.06.2012 | Formation of the new business division “Legal and Risk” |
