| 2021-04-18 05:55:16 | menace | Added Yodel as organiser of Yodel Conference 1997 (9) |
| 2019-01-30 19:48:48 | menace | Added link https://files.scene.org/browse/parties/1997/yodel97/ |
| 2018-11-16 08:24:31 | menace | Set name to 'Yodel Conference 1997 (9)', start date to 27 June 1997, end date to 29 June 1997 |
| 2018-11-15 17:49:59 | menace | Edited notes |
| 2018-11-15 10:43:19 | exocet | Added competition Graphics |
| 2018-11-15 10:41:55 | exocet | Added competition Music |
| 2018-11-15 10:40:21 | exocet | Added competition Demo |
| 2018-11-14 18:29:55 | hedning | Edited notes |
| 2018-11-14 18:29:39 | hedning | Set start date to 27 June 1997, end date to 29 June 1997, website to http://yodel.net/old/yc9.html |
| 2016-04-20 13:38:15 | menace | Added party 'Yodel 1997 (9)' |