There are several timeline plugins for Obsidian. While I appreciate the effort, none of them is suitable for more complex timelining efforts like project management or novel outlining.
For such matters, I prefer Aeon timeline.
Now, it seems there is a very nice solution based on Markdown. It is called Markwhen:
Is it possible to integrate this into Obsidian via plugin, ideally integrating into both canvas and notes?
It looks like you posted twice about this. I merged the duplicate instead of deleting it, in case there was something in it you want to save. If not, feel free to delete it (or ask me to if you can’t).
I have seen some of the discussion and can only second the approach to not just embed marwhen timetables via codeblocks but to work on a solution that makes it “workable”.
I am sure that this is much more work. So I silently bow and gently exit to the back …