| 2021-04-17 12:09:05 | ltk_tscc | Added Atari Corp. as organiser of Atari Messe 1989 |
| 2017-08-26 17:42:35 | ltk_tscc | Added link http://www.pouet.net/party.php?which=1325&when=1989 |
| 2017-07-04 18:59:41 | ltk_tscc | Set releases to Aenigmatica 1st Demo, The Omikron Slider (Special Atari Messe Version) |
| 2017-07-04 18:57:04 | ltk_tscc | Set releases to Aenigmatica 1st Demo, The Omikron Slider (Special Atari Messe Version), ATG Megademo |
| 2017-05-07 11:31:42 | ltk_tscc | Set name to 'Atari Messe 1989' |
| 2016-09-02 14:32:18 | menace | Set location to Dusseldorf |
| 2013-04-21 10:52:58 | ltk_tscc | Added competition None |
| 2013-03-06 12:13:08 | ltk_tscc | Added party 'Atari Fair 1989' |