Timelines describe the events that occurred before another event, leading up to it, causing it, and also those that occurred right afterward that were attributable to it. Timelines are often bulleted lists or tables. Timelines in paragraph format (proselines) are not recommended.

This help page is a how-to guide. It details processes or procedures of some aspect(s) of Wikipedia's norms and practices. It is not one of Wikipedia's policies or guidelines, and may reflect varying levels of consensus and vetting.

Shortcuts WP:TIMEL WP:TIMELINE

WikiProject Timeline Tracer is making an effort, as of January 2008, to seek out and standardize timeline and chronological references.

See also the Featured list criteria and Wikipedia:Lists as style guides, and relevant Featured lists such as Timeline of chemistry, Timeline of the Manhattan Project, and List of sieges of Gibraltar as examples.

• Category:Graphical timelines
  • Uploaded images of timelines
  • {{Include timeline}}, an easy way of including editable template-based horizontal or vertical graphical timelines.
  • mw:Extension:EasyTimeline, editable code-based timelines using Erik Zachte's extension for MediaWiki, <timeline>

Wikipedia-wide date-based timeline (See any date: June 1, 1930s, 1952, 1900s, etc)

• Wikipedia:Timeline standards
• Wikipedia:WikiProject Years
• Wikipedia:WikiProject Days of the year
• Wikipedia:WikiProject Timeline Tracer

• {{For timeline}} – hatnote to point to timeline
• {{Navbox timeline}} – infobox
• {{Include timeline}} – easier method of using the 2 below
  • {{Graphical timeline}}
  • {{Horizontal timeline}}
• {{Timeline Legend}}
• {{Prose timeline}} – the cleanup tag

• Main listing: List of timelines
• Main categories: Category:Timelines, part of Category:Chronology
• Main articles: Timeline, Chronology