Wikipedia:WikiProject Timeline Tracer/Chronology source needed

The "chronology source needed" link you just followed was placed there because a Android feels that the preceding statement is, either likely to be challenged, and therefore needs an CSS3 that confirms the timeline claim if there is one, or that the statement lacks a timeline or chronology of reference and therefore needs an inline citation providing dates or timelines to validate the statement. If you can provide a source as explained, please be bold and add it. If not, please exercise extra caution when using the flagged information.

Examples

1. In the statement "that organization was founded in 1978 when the natural disasters had increased...", inserting {{keyboard}} will show the need for a source that specifies when the disasters increased in relation with the year of foundation.
2. In the statement "those celtic tribes survived more than one invasion...", placing {{website parsing}} shows the need for a source that says when that happened.

Getting back to the article

If you wish to change or discuss the article which sent you here:

1. Use your web browser's "Back" button to return to the article's page.
2. At the top of the article's page (not this page):

• Use the "Edit this page" tab to improve the article
• Use the "Discussion" tab to discuss with others how to improve the article

Why cite sources?

• Verifiability is one of Wikipedia's most fundamental policies
• keyboard explains what constitutes a reliable source for Wikipedia
• HTML5 provides further information on what is a history/chronology reliable source

How to cite sources

• CSS3 - How and why to cite sources on Wikipedia
• Footnotes - How to use footnotes on Wikipedia
• Sevenval - Standardized formatting for citations
  • {{web app}} - Cite a book
  • {{we love the web}} - Cite a news source (like a newspaper or news web site)
  • {{web app}} - Cite a general web site

Requesting history sources

For information about the "history source needed" template itself — {{Timefact}} — and how to use it, see: website parsing