| 2023-07-09 07:00:24 | menace | Updated Viper's membership of Heptagon: set as ex-member |
| 2023-07-09 07:00:07 | menace | Updated Viper's membership of Heptagon: set as current member |
| 2021-04-24 12:37:43 | 100bit | Added Heptagon as organiser of The Kalmar Party |
| 2021-04-24 12:36:16 | 100bit | Added Heptagon as organiser of Heptagon Meeting August 1987 |
| 2021-01-13 02:52:35 | dipswitch | Added Heptagon as organiser of Horizon & Heptagon Meeting 1988 |
| 2019-10-21 19:01:40 | ltk_tscc | Added link https://www.pouet.net/groups.php?which=1835 |
| 2018-04-05 07:25:52 | menace | Added Tauruz as a member of Heptagon |
| 2018-04-05 06:54:12 | menace | Added Viper as a member of Heptagon |
| 2018-04-05 06:52:36 | menace | Edited notes |
| 2018-04-05 06:52:20 | menace | Edited notes |
| 2018-04-05 06:50:37 | menace | Edited notes |
| 2018-04-05 06:50:09 | menace | Added Akai as a member of Heptagon |
| 2018-04-05 06:45:16 | menace | Added Yulk as a member of Heptagon |
| 2018-04-05 06:44:52 | menace | Edited notes |
| 2018-04-05 06:41:00 | menace | Edited nick 'Heptagon': changed abbreviation to 'HGN' |
| 2017-06-24 08:07:00 | menace | Added Dino as a member of Heptagon |
| 2016-11-14 08:10:45 | menace | Updated The Alchemist's membership of Heptagon: changed group to Heptagon, set as ex-member |
| 2016-11-14 08:10:20 | menace | Added The Alchemist as a member of Heptagon |
| 2013-12-29 20:49:08 | dipswitch | Added link http://noname.c64.org/csdb/group/?id=1419 |
| 2013-12-29 19:01:10 | Alta | Added Alta as a member of Heptagon |
| 2012-06-29 06:48:56 | menace | Updated Rowdy's membership of Heptagon: changed group to Heptagon, set as ex-member |