TimelineJS
A couple of quick screencasts on how to make timelines using TimelineJS. The Google Spreadsheet template, instructions, and samples are all located on the TimelineJS website.
Timeline Basics: downloading the template, publishing it to the web, and embedding it in your post.
http://youtu.be/DPJyolBkwQU
Working with the Spreadsheet: more specifics about date formats, necessary information, and organization of your timeline.
http://youtu.be/OEqfqqPlmuA
Discussion Forum Tutorial
Below is a quick tutorial on how to use the Discussion Forum on this site.
http://youtu.be/qpCcLSCk2E8