1916 – Born in Le Havre, France on the 10th of October.
1948 – He credits a Saturday Evening Post article, "There Could be Dinosaurs", by Ivan T. Sanderson, with inspiring a determined interest in unknown animals.
1960 – Heuvelmans helped spread the controversy surrounding the Minnesota Iceman when he examined the "ice man" then in the possession of a road-traveling circus exhibitionist.
1968 – In the Wake of the Sea-Serpents was his second book translated into English and sold in the United States.
1975 – Heuvelmans established the Center for Cryptozoology in France, where his library is housed.
1982 – He helped to found the International Society for Cryptozoology, and served as its first president.
– He was also the first president of the Centre for Fortean Zoology.
2001 – Died on the 22nd of August.