In 1972 Il Collettivo di via Cherubini 8 (The Collective at 8 Cherubini Street) formed in Milan, and began publishing the magazine Sottosopra (Upside Down) to disseminate feminist materials from throughout Italy. An important group in Milan, they hosted several international conferences, meeting with liberationists from France and Denmark.[63] While they were willing to allow men to participate in protest, the members believed that only women could define their own sexuality.[59] In 1974 the Gruppo Analis i (Group Analyst I) and the following year the gruppi di Pratica dell'inconscio (Practice Groups of the Unconscious) both formed in Milan for the purpose of analyzing the ties between women. Neither were involved in individual analysis, but rather in evaluating the psychology that was shared by women.[63] On 3 April 1976 when some 50,000 women marched through the streets of Rome, calling for abortion on demand.