23/08/09 - The catalyzers are now online.
07/08/09 - Photos of the olympiad can be found online. Link
01/05/09 - Mentor and Scientific Observer registration deadline has passed.
20/04/09 - Guidelines for the mentors - Available to download!
01/04/09 - The country registration deadline has passed.
20/02/09 - Prep problem solutions have been sent to the head mentors.
08/02/09 - Registration has started
08/02/09 - Payment instructions have been sent to the Head Mentors.
08/02/09 - The ISC Minutes have been released and can be downloaded here.
12/07/08 - The 40th IChO begins in Hungary.
11/07/08 - The IChO 2009 website goes live. There will be many tweaks and updates over the course of the coming months so keep checking back regularly!