During the Etoys education meeting it was mentioned that the teachers in Uraguay were looking for a way to create a timeline. So I created in Etoys here http://www.squeakland.org/showcase/project.jsp?id=10954 and a blog post and Etoys minutehttp://mrstevesscience.blogspot.com/2011/05/creating-timelines-in-etoys.html .
Stephen
squeakland@lists.squeakfoundation.org