This is a simple Greasemonkey script which adds both timeline and revision links to questions and answers in many of the different question views.
Within a question view, a timeline link as added to the question and revisions links are conditionally added to all posts if they don't already have one. The homepage and other question listing views will have them too including those listed in the mod tools pages.
Influenced by this meta thread (now deleted).
Firefox and Chrome
This will be part of a larger project which will be a collection of scripts to enhance Stack Exchange if and when I
figure out how find the time to do it.
August 18, 2012 - Cleaned up the code a bit and added fixes to appear on more pages. Will be making changes to add Chrome support.
August 30, 2012 - Added Chrome support.