Clas Thunberg (1893-1973)
Apr 5 Finnish speed skater (Olympic gold 1500m, 5000m, allround 1924; 500m, 1500m 1928), born in Helsinki, Finland
- Apr 18 Violette Morris, French athlete and spy for Nazi Germany, born in Paris (d. 1944)
Apr 5 Finnish speed skater (Olympic gold 1500m, 5000m, allround 1924; 500m, 1500m 1928), born in Helsinki, Finland