The history site provides an overview of all changes that have been made on this omdb site.
| System | 2020-06-22 17:54 | Language English |
| | changed external link to https://www.wikidata.org/wiki/Q52715255 |
| uzi (Contribs) | 2017-05-05 20:45 | release date set to 1974-09-13 |
| | created Nuclear Alert |
