Today Disney has confirmed the schedule for the special events to mark Epcot's 30th anniversary on October 1 2012. Here is the full lineup
From the official Disney Parks Blog
Throughout the day on October 1, guests can attend Epcot history presentations in World Showplace courtesy of D23: The Official Disney Fan Club. These presentations are included in park admission and are limited in seating.
1-2 p.m. – Designing the Future – Past and Present: A panel of Disney Imagineers remembers 30 years of building tomorrow!
4:30–6 p.m. – Epcot: How it Changed the World with Marty Sklar
6:30–8 p.m. – Epcot: How it Changed the World with Marty Sklar
Guests can also attend an anniversary moment at the America Gardens Theatre at 3 p.m., which will feature appearances by Disney leaders and include performances by Mariachi Cobre and Voices of Liberty. (Seating for this presentation is also limited.)
That evening, the October 1 presentation of “IllumiNations: Reflections of Earth” will feature a special 30th anniversary tag.