May 31

May 31 is the 151st day of the year (152nd in leap years) in the Gregorian calendar.
==Births==
* 1924: Johnny Roberts (d. 1965)
* 1928: Mike Anthony
* 1942: Jo Vonlanthen
* 1959: Andrea de Cesaris (d. 2014)
* 1974: Diego Ioverno
==Deaths==
* 1976: Elmer George (b. 1928)
* 1988: Charles Van Acker (b. 1912)
* 2012: Paul Pietsch (b. 1911)
==Races==
(Italics indicates a non-championship event)
* 1953: 
* 1953: 
* 1953: 
* 1954: 
* 1959: 
* 1975: 
* 1981: 
* 1987: 
* 1992: 
Category:Dates