MAY 26, 1929
Giants’ Pat Crawford and Lies Bell of the Braves both hit grand slams in the same game in pinch-hitting appearances. New York beats Boston in the Polo Grounds contest, 15-8. (Nationalpastime.com)

May 25, 1951
At Shibe Park, the much-heralded Giant rookie Willie Mays makes his major league debut against the Phillies. The 20-year old outfielder, who hit .477 in 35 games with the Minneapolis Millers before being called up, goes hitless in five trips to the plate, but makes two outstanding defensive plays to contribute to New York’s 8-5 victory.
(Nationalpastime.com)

MAY 24, 1940
In the first night game played at the Polo Grounds, the hometown Giants beat Boston, 8-1. The Manhattan ballpark’s $125,000 lighting system works well allowing the 22,260 patrons attending the game to follow the nocturnal contest without any difficulties.
(Nationalpastime.com)

MAY 23, 1890
A National League record is established when the Giants and the Pittsburgh Alleghenys combine to steal seventeen bases in a single game. New York will win the Polo Grounds contest, 17-10.
(Nationalpastime.com)

MAY 18, 1942
Night games in New York are banned for the duration of WW II, leaving fans in the dark about the status of the All-Star game scheduled to be played at the Polo Grounds on the evening of Monday, July 6. The prohibition of nighttime tilts, announced by NYC Police Commissioner Lewis J.Valentine, will change the starting times for 28 contests involving the Dodgers and Giants. (The first night game at Yankee Stadium will be played in 1946)(Nationalpastime.com)

MAY 14, 1920
The Giants inform the Yankees, tenants since 1913, their lease to play at the Polo Grounds will not be renewed at the end of the season. There is speculation the National League team, who later will decide to continue sharing their home until the Yankees’ new stadium is completed in 1923, may have been reacting to the team’s recent acquisition of Babe Ruth.
(Nationalpastime.com)

MAY 8, 1929
Giants’ hurler Carl Hubbell becomes the first left-hander in 13 seasons to throw a no-hitter when he beats the Pirates, 11-0. The 26-year old southpaw, in only his second season in the majors, will post an 18-6 record for the third-place club.
(Nationalpastime.com)

MAY 6, 1937
Dodgers and Giants fans attending afternoon ball games at both the Polo Grounds and Ebbets Field are thrilled to have the opportunity to catch a glimpse of the Hindenberg when it appears over New York nearing the end of its maiden voyage of the season from Germany. A few hours later, the majestic German zeppelin will explode on a landing strip in Lakehurst, N.J. killing 36 of its passengers.
(Nationalpastime.com)

MAY 2, 1928
With the bases loaded and two out in the ninth inning, Giants’ manager John McGraw orders that Dodger rookie Del Bissonette be intentionally walked with the bases loaded by Larry Benton, forcing home a run. The strategy works when Harry Riconda strikes out giving New York a 2-1 victory in the Polo Grounds contest.
(Nationalpastime.com)

MAY 2, 1956
During a game in which 48 players see action, Chicago’s third baseman Don Hoak strikes out a record six times against six different New York pitchers. The Giants outlast the Cubs in the 17-inning Wrigley Field marathon, 6-5.
(Nationalpastime.com)

APRIL 30, 1944
In the first game of a doubleheader split, first baseman Phil Weintraub gets 11 RBIs, and player-manager Mel Ott scores six runs drawing five walks in the Giants’ 26-8 rout of the Dodgers.(Nationalpastime.com)