artifacts

What the title says. It happened every single time I dug an artifact in my first zombie mode game. If the artifact is at sea (shipwreck) a zombie unit will spawn in the closest land tile available. Keep it in mind in case you have other units and/or cities around.

Selection message states that the shipwreck artifact is from Renaissance era... ...In gallery, it is now a medieval-era artifact;

Artifacts This SDK Mod adds various new tags that enable items and artifacts to be created under promotions. For Promotions <bArtifact> prevents a unit from collecting the promotion via experience. It must be obtained through buildings, units, traits, or (as added in this mod) projects...

What would be better when going for Cultural Victory? I don't have much experience with CV and I always dig artifacts, but maybe it's a good idea to create a landmark instead especially in capital and with Freedom ideology in mind?

I would like to add Free Artifact to new Unique Wonder I create. It would be similar mechanics like with Burial Tomb, but use only one Artifact. I found FreeArtifact column in Buildings table but it gives me random Artifact. I cannot find where to define my new Artifact for this particular UW...