The first World Social Forum was held from 25 January to 30 January 2001 in Porto Alegre, Brazil, organized by many groups including the French Association for the Taxation of Financial Transactions for the Aid of Citizens (ATTAC).
WSF pertama berlangsung dari 25 hingga 30 Januari 2001 di Porto Alegre, Brasil yang diorganisir oleh beberapa group yang terlibat dalam gerakan globalisasi alternatif, termasuk French Association for the Taxation of Financial Transactions for the Aid of Citizens (ATTAC).