Important Dates
August 22, 2011
Open Ceremony.
August 29, 2011
Closing Ceremony.


  • August 2011

    The latest Instructions to arrive to Colegios Mayores are available here.
  • August 2011

    Final Program files are ready to download.

  • class="active"
Second Circular
Updated information in the web page

The following program will be organized for participants and accompanying persons.

  • Welcome Reception: Monday, August 22nd,  20:30 – 22:00
    (Included in the registration fee) The welcome cocktail will take place immediately after the Opening Ceremony at the main Lobby of the venue, Palacio Municipal de Congresos.
  • Cultural Activity: Thursday August 25th,  19:30 – 21:30
  • Congress Dinner: Friday August 26th,  21:00 – 01:00
    It will take place at the Botanical Garden of the Universidad Complutense de Madrid (UCM). Please see Registration.
  • Congress Tours: Different tours will take place from August 23rd to August 30th.  Please see  Registration  for CongressTours.

This is an archive of the official website for the IUCrXXI Congress at Madrid in 2011. Some images and text may be missing and some links no longer work.