- Jan 1 4th Rose Bowl, Tournament Park, Pasadena, California: Mare Island, USMC beats Camp Lewis, US Army, 19-7; MVP: Hollis Huntington, USMC
Stengel to the Pirates
Jan 2 After repeated clashes over pay with the Brooklyn Robins owner Charlie Ebbets, star right fielder and future Baseball Hall of Fame manager Casey Stengel is traded to the Pittsburgh Pirates
- Jan 2 Montreal Arena in Westmount, Quebec, the home rink of 4-time Stanley Cup winners the Montreal Wanderers burns down leading to the club disbanding
Malone 1st to 20 Goals
Jan 12 Montreal Canadien's center Joe Malone scores 5 goals in a 9-4 win over Ottawa to become the first 20 goal scorer in NHL history; goes on to score 44 regular season goals
- Feb 26 Stands at Hong Kong Jockey Club collapse & burn, killing 604
- Mar 2 Joe Malone goes scoreless in Montreal Canadiens' 5-3 season-ending loss to Toronto Arenas; finishes the first NHL season with 44 goals, a record that stands until 1944-45
- Mar 13 1st NHL championship: Toronto Arenas beat Montreal Canadiens, outscoring them 10-7 in a 2 game set
Niles US Champion
Mar 17 US Men's Figure Skating championship won by Nathaniel Niles
- Mar 18 Soccer team SON OF Meerssen forms
- Mar 30 Stanley Cup, Mutual Street Arena, Toronto, ON: Toronto Arenas (NHL) beat Vancouver Millionaires (PCHA), 2-1 for a 3-2 series victory; first series contested by the new NHL
- Apr 15 22nd Boston Marathon won by Camp Devens relay team; race run as relay for 10-man military teams
Speaker's Double Play
Apr 18 Cleveland center fielder Tris Speaker turns an unassisted double play
- Apr 27 Giants' 9-0 winning start & Dodgers' 0-9 losing streak are stopped
- Apr 29 Tris Speaker ties career outfield record of 4 unassisted double plays
- Apr 30 Orange Nassau soccer team forms in Groningen
- May 11 44th Kentucky Derby: William Knapp on Exterminator wins in 2:10.8
- May 14 Sunday baseball is made legal in Washington, D.C.
- May 15 43rd Preakness: Johnny Loftus aboard War Cloud wins in 1:53.6
Baseball History
May 15 Washington Senator Walter Johnson pitches 1-0, 18 inning game
- May 24 Cleveland starter Stan Coveleski sets club record for most innings pitched (19) in a complete game as the Indians beat the New York Yankees, 3-2 at the Polo Grounds, NYC
- Jun 1 Chicago White Sox losing 5-4 against NY Yankees, load the bases in 9th with no outs; Chick Gandil lines to Frank Baker who turns a rare game winning triple play
- Jun 3 Boston Red Sox pitcher Dutch Leonard throws his 2nd no-hitter; beats Detroit Tigers, 5-0 at Navin Field
- Jun 13 Phillies and Cards tie 8-8 in 19 innings
- Jun 22 US National Championship Women's Tennis, Forest Hills, NY: Molla Bjurstedt beats Eleanor Goss 6-4, 6-3 for her 4th consecutive US singles title
- Jul 17 Longest errorless game, Cubs beat Phillies 2-1 in 21 innings
- Jul 19 Washington Senators catcher Eddie Ainsmith applies for draft deferment; Secretary of War, Newton D Baker rules baseball players not draft exempt but later moves date to 1 September; both leagues end regular season 2 September
- Aug 1 Pittsburgh and Boston Braves play a MLB record 20 scoreless innings before Pirates win, 2-0 in 21
- Aug 9 Cincinnati Reds manager Christy Mathewson suspects Hal Chase of taking bribes to fix games, and suspends him "for indifferent play"
- Aug 24 Chicago Cubs, win earliest pennent ever (season ended Sept 2)
- Aug 24 Sect Baker grants extended exemption to World Series players
- Aug 27 Christy Mathewson resigns as Cincinnati Reds manager to accept a commission as a captain in chemical warfare branch of US Army
- Aug 28 Tris Speaker suspended for season due to assault on umpire Tom Connolly
- Aug 31 Boston Red Sox, win earliest AL pennent ever (season ended Sept 2)
US Men's Tennis Open
Sep 3 US National Championship Men's Tennis, Forest Hills NY: Robert Lindley Murray successfully defends title; beats Bill Tilden 6-3, 6-1, 7-5
- Sep 5 Due to WWI, 15th Baseball World Series begins a month early; Boston Red Sox defeat Chicago Cubs, 1-0 at Comiskey Park
- Sep 10 Boston Red Sox and Chicago Cubs players threaten to boycott the World Series unless they are guaranteed $2,500 to the winners & $1,000 each for the losers
- Sep 11 Baseball World Series: Boston Red Sox beat Chicago Cubs, 2-1 at Fenway Park for 4-2 series win; Sox 5th WS title
- Oct 18 NHL's Quebec Bulldogs sold to a Toronto businessman P. J. Quinn
- Dec 10 John Heyder becomes president of baseball's National League for the 2nd time
Dempsey vs. Morris
Dec 16 Jack Dempsey KOs Carl Morris in 14 seconds
Vezina 1st Assist
Dec 28 Montreal's Georges Vezina becomes the first NHL goalie to record an assist during the Canadiens’ 6-3 win over the Toronto Arenas
- Dec 31 Kid Gleason replaces Pants Rowland as Chicago White Sox manager; reach World Series but lose in the "Black Sox" betting scandal; Gleason not involved
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions