From this site:
“International Women’s Day is the universal day that connects all women around the world and inspires them to achieve their full potential. IWD 2006 launches another year of working progressively for women’s equality worldwide. It is an important day around the world because the collective power of women is witnessed by milions, and the brave achievements of women past, present and future are respectfully honoured. International Women’s Day 2006 will be celebrated globally on Wednesday 8 March. Join the action !!”