| May 24 |
| 1936 |
At Shibe Park, second baseman Tony Lazzeri became the first major league player to hit two grand slams in one game, as the Yankees clobbered the A's, 25-2. |
| 1967 |
Tommy McCraw drove in eight runs, including three home runs, to help the Chicago White Sox defeat the Minnesota Twins, 14-1. |
| 1986 |
The Montreal Canadiens won the Stanley Cup four games to one over the Calgary Flames. |
| 1990 |
The Edmonton Oilers won the Stanley Cup four games to one over the Boston Bruins. |
| 1994 |
In a game against Milwaukee Brewers, Baltimore's Cal Ripken hit his 300th career home run. |
| 2000 |
Mark McGwire became the fastest player to hit 20 home runs in one season reaching the mark in 35 games, six less than Mickey Mantle (1956) and his own record (1998). |
| 2000 |
Sixteen Dodger players and three coaches were suspended by the commissioner's office for going into the stands during the Wrigley Field scuffle with fans on May 16. The suspensions totaling 60 games for players and 24 games for coaches was the harshest penalty ever handed down by major league baseball. |
| 2009 |
Helio Castroneves avoided a rash of accidents and led the final 58 laps to win the Indianapolis 500 for the third time in his career. |
| 2010 |
Jeff Carter notched a pair of goals and Mike Richards picked up a goal and two assists, as the Philadelphia Flyers defeated the Montreal Canadiens by a 4-2 in Game 5 of the Eastern Conference finals. |
| 2010 |
The Cleveland Cavaliers fired head coach Mike Brown. |
| 2011 |
Kevin Bieksa scored on a knuckling slap shot midway through the second overtime, lifting the Vancouver Canucks to a thrilling 3-2 victory over the San Jose Sharks in Game 5 of the Western Conference Finals. |
| 2012 |
The University of Texas at Arlington accepted an invitation to join the Sun Belt Conference next year. |
| 2012 |
Binghamton named named Tommy Dempsey its new basketball coach. |
| 2012 |
Rider named Kevin Baggett its new basketball coach. |
| Birthdays |
Suzanne Lenglen (1899) - tennis player; Pete Metzelaars (1960) - NFL player; Joe Dumars (1963) - NBA player; Tracy McGrady (1979) - NBA player. |