| 2024-09-20 21:36:23 | dipswitch | Added BBS Empire Palace as Distsite for Concept |
| 2024-09-04 05:18:20 | menace | Updated Laurin's membership of Concept: set as ex-member |
| 2022-01-25 06:52:47 | menace | Added Laurin as a member of Concept |
| 2022-01-25 05:43:10 | menace | Added MDB as a member of Concept |
| 2022-01-25 05:43:03 | menace | Edited nick 'Concept': changed abbreviation to 'CNC' |
| 2022-01-25 05:42:51 | menace | Added BBS Love Like Blood as WHQ for Concept |
| 2021-11-05 00:11:21 | 100bit | Updated Concept's affiliation with The Rising Hope: changed role to WHQ |
| 2021-10-31 23:16:16 | dipswitch | Added BBS Last Chance as EHQ for Concept |
| 2021-09-19 17:02:25 | menace | Updated Concept's affiliation with Hot Deposit: changed group to Concept |
| 2021-09-19 16:59:02 | menace | Added BBS Trip To Nowhere as HQ for Concept |
| 2021-09-19 16:58:46 | menace | Added BBS Syrinx as EHQ for Concept |
| 2021-09-19 16:57:26 | menace | Updated Maxx's membership of Concept: set as ex-member |
| 2021-09-19 16:57:17 | menace | Added Maxx as a member of Concept |
| 2021-09-19 16:57:01 | menace | Added BBS Slow Motion as WHQ for Concept |
| 2021-09-19 16:54:19 | menace | Added rAZFAZ as a member of Concept |
| 2021-09-19 12:13:26 | dipswitch | Added link https://defacto2.net/g/concept |
| 2021-09-19 12:11:09 | dipswitch | Added BBS The Rising Hope as HQ for Concept |
| 2019-07-22 05:16:52 | menace | Edited nick 'Concept': changed name to 'Concept'; changed differentiator to 'amiga/.de' |