| 2022-08-09 19:23:05 | lambdacore | Added Verschdl as organiser of Underground Conference 2020 |
| 2022-08-09 19:20:53 | lambdacore | Added Fashion as organiser of Underground Conference 2020 |
| 2022-08-09 09:25:22 | lambdacore | Added Lambdacore as organiser of Underground Conference 2020 |
| 2022-02-09 00:24:48 | RufUsul | Set tagline to 'UC10: Where Sofas End' |
| 2021-10-15 15:54:03 | Saga_Musix | Added milp as organiser of Underground Conference 2020 |
| 2021-10-15 15:54:00 | Saga_Musix | Added dritter as organiser of Underground Conference 2020 |
| 2021-07-13 17:37:10 | RufUsul | Added RufUsul as organiser of Underground Conference 2020 |
| 2021-07-13 17:36:07 | RufUsul | Added Scamp as organiser of Underground Conference 2020 |
| 2021-01-23 16:35:19 | Saga_Musix | Added Sinep as organiser of Underground Conference 2020 |
| 2021-01-09 15:23:16 | NR4 | Added NR4 as organiser of Underground Conference 2020 |
| 2021-01-09 15:23:03 | NR4 | Added QM as organiser of Underground Conference 2020 |
| 2021-01-09 12:23:20 | v3nom | Added v3nom as organiser of Underground Conference 2020 |
| 2020-07-21 21:22:44 | Saga_Musix | Added link http://www.slengpung.com/?eventid=726 |
| 2020-07-14 20:06:52 | Saga_Musix | Added link http://csdb.dk/event/?id=2974 |
| 2020-07-14 20:06:17 | Saga_Musix | Added link http://www.demoparty.net/underground-conference-2020/ |
| 2020-07-14 19:59:10 | Saga_Musix | Added competition Seaworld Graphics |
| 2020-07-14 19:56:45 | Saga_Musix | Added link https://files.scene.org/browse/parties/2020/uc10/ |
| 2020-07-14 19:53:31 | Saga_Musix | Added competition OGGward Music |
| 2020-07-14 19:48:08 | Saga_Musix | Added competition Multichannel with Livesupport |
| 2020-07-12 00:06:10 | Saga_Musix | Added competition Pixel Graphics |
| 2020-07-11 23:37:36 | Saga_Musix | Added competition Combined Oldchool / Real Wild Demo |
| 2020-07-11 21:09:09 | Saga_Musix | Added competition Combined PC Demo / 64k / 4k |
| 2020-07-11 21:08:46 | Saga_Musix | Added competition DEMOHASS |
| 2020-07-11 21:07:29 | Saga_Musix | Added competition Shitmusic |
| 2020-07-11 20:51:14 | Saga_Musix | Added competition Happy Hardcore |
| 2020-06-26 21:40:40 | RufUsul | Set invitations to Where Sofas End |
| 2020-06-16 16:49:05 | Saga_Musix | Set website to https://uc10.party/ |
| 2020-04-11 20:47:45 | menace | Set tagline to 'Where Sofas End' |
| 2019-12-28 19:19:16 | gasman | Set start date to 9 July 2020, end date to 12 July 2020, website to |
| 2019-07-17 23:24:21 | RufUsul | Set start date to 11 June 2020, end date to 14 June 2020, website to https://uc9.party/about.html#history |
| 2019-06-27 16:18:12 | Brittle | Added party 'Underground Conference 2020' |