John Slack

Events

1

Episodes

1

Years

1872

Every event in Historedia whose sources name John Slack, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

1. Clarence King exposes the diamond hoax in Wyoming

   1872

   Role: Prospector

   1. 11872 · northwest ColoradoExposure of the Diamond Hoax

      Clarence King and his crew tracked down the secret location in northwest Colorado, exposing the diamond deposit as a fraud.

Sources

1. Great Diamond Hoax Wikipedia, revision of 2026-09-24