- 1963 - Elmer S. Riggs died in Sedan, Kansas, USA at age 94.
- 1982 - Sterling Nesbitt was born in Mesa, Arizona, USA.
- 2015 - Laura Domingo, Fernando Barroso-Barcenilla, and Oscar Cambra-Moo studied the climate and ecology of the Late Cretaceous Lo Hueco site in Spain using the δ18O oxygen isotopes of the fossils preserved there.