British Astronomical Association was created in 1890.
Bangladesh Olympic Association was created in 1979.
Library Association of Bangladesh was created in 1956.
International Association of Astronomical Artists was created in 1982.
Bangladesh Cartoonist Association was created in 2011-01.
Bangladesh Girl Guides Association was created in 1973.
Bangladesh Environmental Lawyers Association was created in 1992.
British Astronomical Association's motto is 'Britain's leading organisation for observational astronomy'.
Bangladesh Students Association ofCalifornia
Bangladesh Computer Council was created in 1990.
International Astronomical Union was created in 1919.
Andrushivka Astronomical Observatory was created in 2001.