When and where was the first World Service Conference (WSC) held? The first World Service Conference was held on April 20-23, 1961 in New York City, NY at the George Washington Hotel. Al-Anon2019-01-30T08:14:21-05:00Categories: FAQ about Al-Anon's history| Share This Post, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail