Do you need to if you can publish 1 post in multiple of them?
When Christianstr with subgroups for the different denominations?
nostr:npub149p5act9a5qm9p47elp8w8h3wpwn2d7s2xecw2ygnrxqp4wgsklq9g722q
Can we nest groups?
Discussion
Then I would need them nested in a client, or grouped somehow. Don't need them nested at the event-level. Could probably do it with a label event "Christian", or something.