primary election: 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 |
|---|---|---|---|
| Invalidated site: CNN Politics - 2024 US presidential primaries, explained. | Apr 01, 2026 | ||
| Add new Web site: CORE - Primary Elections and Partisan Polarization in the U.S. Congress (PDF). | Oct 13, 2025 | ||
| Media added. | Jun 23, 2025 | ||
| Add new Web site: CNN Politics - 2024 US presidential primaries, explained. | May 07, 2025 | ||
| Media added. | Feb 01, 2024 | ||
| Article revised and updated. | May 22, 2020 | ||
| Added discussion of California's adoption of the top-two primary system on June 8, 2010. | Jun 09, 2010 | ||
| Article updated to include mention of 2008 U.S. Supreme Court decision reversing previous ruling that Washington state's Top-Two primary system was unconstitutional. | Jul 15, 2009 | ||
| Article revised. | Feb 19, 2004 | ||
| Article revised. | Apr 05, 2002 | ||
| Article added to new online database. | Jul 20, 1998 |
View Changes:
Article History
Revised:
By: