Charles F. Richter: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Apr 22, 2026 | ||
| Anniversary information added. | Sep 26, 2025 | ||
| First paragraph modernization. | Apr 04, 2024 | ||
| Invalidated site: The New York Times - Charles Richter, Quake Expert, Dies. | Feb 13, 2020 | ||
| Add new Web site: John A. Dutton e-Education Institute - Biography of Charles Francis Richter. | Jan 10, 2020 | ||
| Add new Web site: Online Archives of California - Guide to the Papers of Charles F. Richter, 1839-1984. | Apr 02, 2019 | ||
| Add new Web site: The New York Times - Charles Richter, Quake Expert, Dies. | Feb 09, 2017 | ||
| Add new Web site: John A. Dutton e-Education Institute - Biography of Charles Francis Richter. | May 27, 2013 | ||
| Media added. | Jan 19, 2010 | ||
| Added new Web site: Ohio History Central - Biography of Charles Frances Richter. | May 11, 2007 | ||
| Article revised. | Apr 28, 2005 | ||
| Article added to new online database. | Jul 20, 1998 |
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