Masten Gregory, American race car driver (died 1985)

Masten Gregory was an American racing driver, who competed in Formula One from 1957 to 1965. Nicknamed "the Kansas City Flash", Gregory won the 24 Hours of Le Mans in 1965 with NART.

February 29 is a leap day —an intercalary date added periodically to create leap years in the Julian and Gregorian calendars. It is the 60th day of a leap year in both Julian and Gregorian calendars, and 306 days remain until the end of the leap year. It is the last day of February in leap years only. It is also the last day of meteorological winter in the Northern Hemisphere and the last day of meteorological summer in the Southern Hemisphere in leap years.