Grigory Nelyubov, Soviet pilot and cosmonaut (died 1966)

Grigory Grigoryevich Nelyubov was one of the original 20 Soviet cosmonauts, who was dismissed from the Soviet space program in 1963 for drunk and disorderly conduct. His existence in the program was kept secret until the advent of Soviet glasnost in the late 1980s. He killed himself on 18 February 1966.

March 31 is the 90th day of the year in the Gregorian calendar; 275 days remain until the end of the year.