Put this template box on event pages.
{{Event | Title = full title of the given event | Description = short description | Type = Lecture|Workshop|Hackathon|Meet-Up|Party | Date = YYYY-MM-DD of the event | Start = HH:MM of beginning | Duration = duration in hours | Speaker = Name of the speaker, instructor or working group (''optional'') | Host = Username of the responsible Chaosdorf member | Location = Ort (''optional'', nur für externe Veranstaltungen) }}
See also: Help:EventDate