CodeCanyon - jQuery TimelineXML

    places the event on the timeline very accurately – up to the day!
    decides whether to show every month, every second month, etc., or whether to show months at all
    supports timespans from one year up to thousands, even millions of years.
    supports pre-modern dates – 1000 BC, 50 000 BC, etc.
    accepts content either as an XML file, or as HTML code
    can work with any XML file – you can specify what’s the tag name for the title, for the content, etc.
    sorts the events based on their date – you don’t have to enter them chronologically
    prevents overlapping of near events
    decides how long the timespan needs to be
    flexible width
    very customizable – both in functionality and style
    comes with four unique designs: basic, modern, dark and sleek.