October 5: edit
- 1787 - Caspar Wistar and Timothy Matlack reported the discovery of a "'a large thigh bone'" in to the American Philosophical Society in Philadelphia, Pennsylvania, USA. The bone was probably a dinosaur metatarsal discovered in Late Cretaceous rocks near Woodbury Creek.
- 1883 - Joachim Barrande died in Frohsdorf, Austria.
- 1892 - Remington Kellogg was born in Davenport, Iowa, USA.
- 1915 - Robert Masterman Stainforth was born in Kingston upon Hull, England.
- 1925 - Emiliano Aguirre Enríquez was born in Ferrol, Spain.
- 1937 - Wolfgang H. Berger was born in Erlangen, Germany.
- 1972 - Ivan Yefremov died in Leningrad, USSR at age 64.