https://github.com/nostr-protocol/nips/blob/master/52.md
There should be a calendar so that a group like a meetup can create the calendar for a group and then multiple people should be able to add events to that calendar. example, meetstr https://meetstr.com/calendar/naddr1qvzqqqrukspzp4cd2qy32p9ejtgc8zpz4uj96hmt8gttstv30t9hjfxw7c0dft8wqqyy24mgw33xcstpmnxugc
https://github.com/nostr-protocol/nips/blob/master/52.md
There should be a calendar so that a group like a meetup can create the calendar for a group and then multiple people should be able to add events to that calendar. example, meetstr https://meetstr.com/calendar/naddr1qvzqqqrukspzp4cd2qy32p9ejtgc8zpz4uj96hmt8gttstv30t9hjfxw7c0dft8wqqyy24mgw33xcstpmnxugc