I take it you mean Sophocles' three plays: Oedipus Rex, Oedipus at Colonus, and Antigone.
http://en.wikipedia.org/wiki/Oedipus
(Skip the other playwrights.)
It seems pretty straightforward. You can make it a tri-fold poster board type of thing and start with the actual actions in the plays, in the order I wrote them above. DO NOT START with the predictions before Oedipus was born since that knowledge was made clear only later in the first play.
Here are many graphics with specific ideas you can choose from for your layout:
http://images.google.com/images?hl=en&source=hp&q=timeline&gbv=2&aq=f&aqi=g10&aql=&oq=
I need to make a timeline chart for the oedipus trilogy .any ideas
2 answers
Throughout chapter 7, what does the author do to help you learn about Stanley's "no good dirty rotten pig stealing great great grandfather