| Wikidata property related to events | Q22964785 |
| Wikidata property related to data communication, storage, and retrieval | Q59910380 |
| Wikidata property related to websites | Q84764641 |
| P3254 | property proposal discussion | https://www.wikidata.org/wiki/Wikidata:Property_proposal/calendar_feed_url |
| P5008 | on focus list of Wikimedia project | WikiProject Websites | Q15831464 |
| P2302 | property constraint | format constraint | Q21502404 |
| item-requires-statement constraint | Q21503247 | ||
| P1659 | related property | web feed URL | P1019 |
| P2668 | stability of property value | sometimes changes | Q24025284 |
| P1647 | subproperty of | URL | P2699 |
| P1629 | Wikidata item of this property | calendar feed | Q116977104 |
| iCalendar | Q284651 |
| P2699 | URL | related property | P1659 |
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