06/2017: Publication of the 1st Circular
  Call for support grants and summer school applications
11/2017: Deadline for grants and summer school
  on 24th November 2017, 12:00 UTC
01/2018: Publication of the 2nd Circular
  Registration and abstract portal are open
03/2018: Deadline for abstract and early bird registration
  25th March 2018
05/2018: Publication of 3rd Circular, final program
  Deadline for normal registration 25th May 2018
06/2018: IAGA Workshop and summer school