Graphical timelines can be created with EasyTimeline. See EasyTimeline and the syntax reference for details. Feel free to direct questions or feedback to the author, User:Erik Zachte.
For an overview of all charts prepared with EasyTimeline on all wikipedias (images and code) see EasyTimeline Index, refreshed weekly as part of the statistics job.
Graphical timelines can also be created with Template:Graphical timeline.
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