February 1, 2005 Deadline for pre-registration March 15, 2005 Deadline for receiving financial support application April 15, 2005 Second circular made available on the web site and to pre-registered participants April 25, 2005 Decision about financial support May 15, 2005 Deadline for early electronic registration May 26, 2005 Deadline for abstract submission July 25, 2005 Deadline for late electronic registration August 7-12, 2005 On-site registration August 7-12, 2005 IAUS229-ACM2005 August 12, 2005 Deadline for submission of proceeding contributions September 12, 2005 Final editorial submission to publishers February, 2006 Publication of proceedings