I found three international law events from International Law Observer that I thought I would mention here:

Symposium on the Methods of interpretation of international norms, taking place in Poitiers on 25 June 2010 http://colloque-tini.conference.univ-poitiers.fr

and

Venice Academy of Human Rights summer program, organized by the European Inter-University Centre for Human Rights and Democratisation (EIUC) in Venice from 12 to 17 July www.eiuc.org/veniceacademy

and

The 74th Conference of the International Law Association “De Iure Humanitatis: Peace, Justice and International Law” taking place in the country of birth of Hugo Grotius from 15 to 20 August http://www.ila2010.org/?pid=295