First Australia - India Test
Dec 1 In first cricket Test match between the 2 nations, India is dismissed for 58 by Australia in Brisbane; fast bowler Ernie Toshack takes 5 for 2 off 2.3 overs; Don Bradman scores 185 as Australia wins by an innings & 226 runs
First Test India vs. Australia
Dec 4 In the first cricket Test match between the 2 nations, India is dismissed for 98 by Australia in Brisbane to lose by an innings & 226 runs; fast bowler Ernie Toshack takes 6 for 29 for match figures of 11 for 31
Louis vs. Walcott
Dec 5 Joe Louis beats Jersey Joe Walcott in 15 for heavyweight boxing title, at Madison Square Garden, NYC
- Dec 11 Pacific Coast League application for major league status rejected
- Dec 14 Cleveland Browns beat NY Yankees 14-3 in AAFC championship game
- Dec 14 The National Association for Stock Car Auto Racing (NASCAR) is founded in Daytona Beach, Florida
- Dec 19 1948 NFL Draft: Harry Gilmer from University of Alabama first pick by Washington Redskins
- Dec 28 Chic Cards beat Philadelphia Eagles 28-21 in NFL championship game
- Dec 28 National Football League Championship, Comiskey Park, Chicago: Chicago Cardinals beat Philadelphia Eagles, 28-21; Cardinals' only title victory