References 285% CONFIDENCEOverall confidence: 85%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

• [1]90%
  en.wikipedia.org/wiki/History_of_Amazon

  en.wikipedia.org· Posted Sep 21, 2026· Starts Jul 16, 1995 ✓· 50% of score

  Amazon's own account and every history of the company date the site's public opening to 16 July 1995.

• [2]80%
  Amazon (company)

  en.wikipedia.org· Added Sep 21, 2026· 50% of score

  The company article carries the founding and opening dates and the businesses that grew from the bookstore.^[1]

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