 Especially after the 1980s, religious organizations, Islamic cultural centers, and mosques were founded to serve the needs of Turkish people.Various groups are active in the United States.Followers of the Islamic preacher Fethullah Gülen (known as "Hizmet" or "Gülenciler") formed a local cultural organization, the "American Turkish Friendship Association" (ATFA), in 2003, and an intercultural organization, called the "Rumi Forum", in 1999, which invites speakers to inform the public about Islam and Turkey.