Helena: References & Edit History
More Articles On This Topic
Article Contributors
Primary Contributors
-
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Modified link of Web site: Official Tourism Site of Helena, Montana, United States. | Jan 09, 2025 | ||
| Add new Web site: Western Mining History - Helena, Montana. | Oct 01, 2024 | ||
| Add new Web site: Montana Historical Society - Helena. | Jul 20, 2023 | ||
| Map added. | May 30, 2023 | ||
| Add new Web site: Official Tourism Site of Helena, Montana, United States. | Apr 20, 2023 | ||
| Add new Web site: American Symbols - Helena, Montana, United States. | Jan 03, 2020 | ||
| Population data updated. | Jul 28, 2011 | ||
| Media added. | May 20, 2009 | ||
| Media added. | Jan 16, 2009 | ||
| Added new Web site: How Stuff Works - Geography - Geography of Helena, Arkansas, United States. | Jul 25, 2008 | ||
| Added new Web site: Official Site of the City of Helena, Montana, United States. | Jun 16, 2006 | ||
| Article revised. | Jun 21, 2002 | ||
| Article added to new online database. | Jul 20, 1998 |
View Changes:
Article History
Revised:
By: