- Apr 1 Montreal Maroons' Clint Benedict becomes first NHL goalie to record 3 straight playoff shutouts, in a 3-0 win against the visiting Victoria Cougars in Game 2 of the Stanley Cup Championship series
- Apr 6 Stanley Cup Final, Montreal Forum, Montreal, Quebec: Montreal Maroons beat Victoria Cougars (WHL), 2-0 for a 3-1 series victory
Johnson's 7th Shutout
Apr 13 At 38, Walter Johnson pitches his 7th opening day shutout
- Apr 13 Cyclists without bicycle-tax-stamp rounded up in Amsterdam
- Apr 19 30th Boston Marathon won by Canadian Johnny Miles in 2:25:40.4