June 20
From The Met Wiki
1964: The Mets defeat the Phillies, 7-3, at Shea Stadium. Joe Christopher and Hawk Taylor each hit two home runs in the game.
1968: The Mets defeat the Astros, 5-3, at Shea Stadium. Tom Seaver strikes out 12 batters and Cleon Jones drives in four runs.
1985: The Mets complete a four-game sweep of the Cubs with a 5-3 win at Shea Stadium.
2006: The Mets defeat the Reds, 9-2, at Shea Stadium. Winning pitcher Steve Trachsel homers in the game.
