Danish Mathematical Society was created in 1873.
Danish Astronautical Society was created in 1949.
Danish Society for Nature Conservation was created in 1911.
Royal Danish Horticultural Society's Garden was created in 1882.
Norwegian Mathematical Society was created in 1918.
Moscow Mathematical Society was created in 1864.
Edinburgh Mathematical Society was created in 1883.
Mathematical Society of Japan was created in 1877.
Cyprus Mathematical Society was created in 1983.
Indian Mathematical Society was created in 1907.
Portuguese Mathematical Society was created in 1940.
Hellenic Mathematical Society was created in 1918.
Swiss Mathematical Society was created in 1910.