A timeline is a great way to show the progress of an ongoing news story or a complex historical review. xtimeline lets users create embeddable, linkable timelines that can include text, links and images. Some great examples include Oprah’s rise to fame and power, History of the AIDS Epidemic and the Pregnancy Timeline.
Also on 10,000 Words:
7 Eye-popping interactive timelines (and 3 ways to create one)