Estonian Malacological Society was created in 1996.
Malacological Society of London was created in 1893.
Estonian Naturalists' Society was created in 1853.
Estonian Physical Society was created in 1989.
Estonian Students' Society was created on 1870-04-07.
The motto of Estonian Students' Society is 'Fortiter in re suaviter in modo'.
Estonian Institute was created in 1989.
Estonian Biocentre was created in 1986.
Estonian Silverball was created in 1995.
Estonian Wikipedia was created in 2003.
Estonian Cup was created in 1938.
Estonian International was created in 2004.
Estonian School of Diplomacy was created in 1990.