Conference participants women. From left to right:  ?, Denise Dora, Márcia Soares, Marta Oliveira, Nilza Iraci, Claudia Ferreira, Sonia Alvarez, Hildézia Medeiros. The Fourth World Conference on Women took place between 4th and 15th September 1995, with the participation of about 400 delegates, representing 189 countries, and about 5,000 observers representing NGOs.