This domain hosted a wiki which was mainly used during 2004 for various mainly political projects, and was still used by some individuals as place to easily put up notes and links, until spambots wreaked it, and is now offline.
See previous pages for Mayday 2003
Also see https://www.ourmayday.org/uk/ which copied https://www.ourmayday.org.uk/ from when first set up for the Our May Day festival in London.
ourmayday.org uses and recommends hosting by Web Architects Coop