- Jan 1 15th Rose Bowl: Georgia Tech beats California, 8-7 (Roy Riegels runs 60 yds the wrong way with fumble recovery)
Bradman's 1st Test Century
Jan 3 Australian cricket icon Don Bradman follows up a 1st innings of 79 to score 112 in 3rd Test v England in Melbourne; his 1st of 29 Test centuries
World 500m Skating Record
Jan 19 Finnish speed skater Clas Thunberg sets new world 500m record in 42.8 seconds in Davos, Switzerland
- Jan 25 Future Australian cricket captain Don Bradman scores an unbeaten 340 for NSW v Victoria (488 mins, 38 fours); then highest individual score in a Sheffield Shield match
- Jan 28 Australian Championships Men's Tennis: Englishman Colin Gregory wins his only Grad Slam title, beating Richard Schlesinger of Australia 6-2, 6-2, 5-7, 7-5
- Jan 28 Australian Championships Women's Tennis, Adelaide: Daphne Akhurst retains title; beats Louise Bickerton 6-1, 5-7, 6-2