| 2020-06-11 15:03:09 | ltk_tscc | Set start date to 7 March 1988, end date to 1 August 1988 |
| 2020-06-11 14:56:06 | ltk_tscc | Added link http://csdb.dk/event/?id=2584 |
| 2017-03-09 17:32:56 | ltk_tscc | Set start date to August 1988, end date to August 1988 |
| 2015-11-07 12:16:08 | ltk_tscc | Edited notes |
| 2015-11-07 12:14:53 | ltk_tscc | Added link https://de.wikipedia.org/wiki/Happy_Computer |
| 2015-06-19 13:00:33 | dipswitch | Edited notes |
| 2015-06-19 13:00:15 | dipswitch | Edited notes |
| 2015-06-19 12:58:21 | ltk_tscc | Edited notes |
| 2015-06-19 12:57:49 | ltk_tscc | Edited notes |
| 2015-06-19 12:57:33 | ltk_tscc | Edited notes |
| 2015-06-19 12:57:15 | ltk_tscc | Edited notes |
| 2015-06-19 12:51:34 | ltk_tscc | Added link https://archive.org/stream/Happy.Computer.N58.1988.08-Cartman#page/n131/mode/2up |
| 2015-06-19 12:43:53 | ltk_tscc | Added competition Fantasy Graphics |
| 2015-06-19 12:43:25 | ltk_tscc | Added party 'Happy Computer Fantasy Malwettbewerb 1988' |