Adds a link to the timeline view to questions. This is a userscript for Stack Exchange sites.

Add_Timeline_Button_to_Stack_Exchange_questions.user.js

// ==UserScript==
// @name        Stack Exchange: Add Timeline and Revisions links to posts
// @description Adds links to posts to always show history and links to questions to show the Timeline".
// @namespace   StackExchange
// @match       *://*.askubuntu.com/questions/*
// @match       *://*.mathoverflow.net/questions/*
// @match       *://*.serverfault.com/questions/*
// @match       *://*.stackapps.com/questions/*
// @match       *://*.stackexchange.com/questions/*
// @match       *://*.stackoverflow.com/questions/*
// @match       *://*.superuser.com/questions/*
// @version     1.3
// @history     1.3 SE changed Timelines. Answers were separated out from the question timeline.
// @history     1.2 Updated match list
// @history     1.1 Added revisions link
// @grant       none
// ==/UserScript==

$(".post-menu").each ( function (J) {
    var jThis   = $(this);
    var href    = jThis.find ('a[class="short-link"]').attr ("href");
    var idMtch  = href.split (/[qa]\/(\d+)/);
    if (idMtch.length > 2) {
        var id  = idMtch[1];
        jThis.append (
            '<span class="lsep">|</span><a href="/posts/' + id + '/revisions">revisions</a>'
        );
        jThis.append (
            '<span class="lsep">|</span><a href="/posts/' + id + '/timeline">timeline</a>'
        );
    }
} );
$(".revcell3.vm>div").each (function () {
    //-- Looks like a timebomb...
    guid = $(this).find ("a").attr ("href").match (/\w{8} (?:-\w{4} ){3}-\w{12}/)[0];
    $(this).prepend ('<a href="#rev' + guid + '">link</a><span class="lsep">|</span>');
} );