Johannes Janssen: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Apr 06, 2026 | ||
| Anniversary information added. | Dec 20, 2025 | ||
| First paragraph modernization. | Mar 15, 2024 | ||
| Modified title of Web site: The Catholic Encyclopedia - Biography of Johann Janssen. | Jan 10, 2014 | ||
| Edited to refer to Leuven by the Flemish spelling. | Dec 23, 2008 | ||
| Added new Web site: The Catholic Encyclopedia - Biography of Johann Janssen. | Apr 27, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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