| 2021-04-17 12:41:15 | vitalkanev | Added Polka Brothers as organiser of Mekka & Symposium 1997 |
| 2021-02-12 07:08:10 | ZiNKO | Updated Polka Brothers's affiliation with The Northern Palace: changed role to WHQ |
| 2021-02-02 00:53:43 | dipswitch | Added BBS Bodycount as WHQ for Polka Brothers |
| 2021-01-26 01:32:46 | dipswitch | Added BBS The Northern Palace as HQ for Polka Brothers |
| 2021-01-08 13:47:39 | dipswitch | Added Polka Brothers as organiser of Symposium 1996 |
| 2021-01-08 04:29:17 | menace | Added Polka Brothers as organiser of Mekka & Symposium 1998 |
| 2020-05-21 05:19:27 | menace | Edited notes |
| 2020-05-21 05:17:09 | menace | Edited notes |
| 2020-05-21 05:16:45 | menace | Edited notes |
| 2020-05-21 05:16:30 | menace | Edited notes |
| 2020-05-21 05:16:20 | menace | Edited notes |
| 2020-05-21 05:15:59 | menace | Edited notes |
| 2019-11-01 15:12:02 | ltk_tscc | Edited nick 'Polka Brothers': changed abbreviation to 'PB' |
| 2019-10-01 20:31:35 | Vocal | Added Vocal as a member of Polka Brothers |
| 2014-08-16 13:19:44 | menace | Added Sca as a member of Polka Brothers |
| 2014-04-05 11:45:19 | tomaes | Added link http://www.pouet.net/groups.php?which=191 |
| 2013-11-23 13:35:15 | menace | Added Toft as a member of Polka Brothers |