2. When you click on the little recylcing symbol next to a question or answer "Show activity on this post", you will get to the timeline:
https://stackoverflow.com/posts/69419917/timeline#history_9281a690-64c3-4302-bb36-1ebb6dfd3ecf
Go to Question revision history:
https://sitename.stackexchange.com/posts/{post-id}/revisions
- shown as the “history” link for questions and answers with at least two revisions
- contains links to individual revisions and their source code, as well as summaries of a number of other events such as closing, reopening, (un)deleting, bounty start/end, (un)locking, tweeting, marked (not) community wiki, and merging.
https://stackoverflow.com/posts/69419917/revisions
https://stackoverflow.com/revisions/9281a690-64c3-4302-bb36-1ebb6dfd3ecf/view-source