| 2024-04-22 20:05:58 | SystemZ | Added Stan as a member of System-Z |
| 2023-07-22 16:04:18 | menace | Updated System-Z's affiliation with Street Life: changed role to HQ |
| 2023-07-22 16:01:10 | menace | Updated System-Z's affiliation with Infosystem: changed role to HQ |
| 2021-06-14 14:38:14 | menace | Removed System-Z's affiliation with Infosystem II |
| 2021-06-14 14:37:39 | menace | Added affiliation with BBS Street Life for System-Z |
| 2021-06-14 13:21:04 | menace | Added affiliation with BBS Infosystem II for System-Z |
| 2021-06-14 13:18:53 | menace | Added affiliation with BBS Infosystem for System-Z |
| 2019-11-10 17:52:35 | ltk_tscc | Added link https://www.pouet.net/groups.php?which=11704 |
| 2019-05-01 13:24:41 | menace | Added A. Nonymous as a member of System-Z |
| 2019-05-01 13:24:22 | menace | Added DSP as a member of System-Z |
| 2019-05-01 13:21:34 | menace | Added link http://janeway.exotica.org.uk/author.php?id=32329 |
| 2017-02-06 21:41:54 | menace | Edited nick 'System-Z': changed name to 'System-Z'; changed aliases to 'System Z' |
| 2016-02-17 19:58:05 | menace | Edited notes |
| 2016-02-06 06:20:47 | menace | Added group 'System Z' |