1891
April 22- Pirates play their first game at Exposition Park.
1887 
April 30- The Pittsburgh Alleghenies play their first National League game, defeating the defending league champion Chicago Write Stockings, 6-2, in front of almost 10,000 fans at Recreation Park.
1889
December- The Alleghenies are renamed Pirates after signing second baseman Louis Bierbauer away from the Philadelphia Athletes.
1900
Barney Dreyfuss, owner of the Louisville club, acquires controlling interest of the Pirates and brings 14 players with him, which included future Hall of Famers Honus Wagner and Fred Clarke.
1901
Led by Honus Wagner, who hit .353 with 126 RBI, the Pirates win the National League pennant for the first time, compiling and impressive 90- 49 record.
1902
The Pirates go a remarkable 103- 36, finishing 271- 2 games ahead of second place Brooklyn, in route to their second National League pennant.
1903
October 1- Deacon Phillippe defeats the legendary Ty Cobbs as the Pirates down the hometown Boston Pilgrims, 7- 3, in the first World Series game in baseball history.
October 6- A crowd of 18,801 fills Exposition Park as the Pirates defeat the Boston Pilgrims, 4- 2, in the first World Series game played in Pittsburgh.
1906
May 6- The Pirates become the first team to use a canvas tarp to cover the infield when it rains.
1907
September 20- Nicholas Maddox becomes the first Pirates pitcher to throw a no-hitter by defeating Brooklyn, 2- 1, at Exposition Park.
1909
June 30- An overflow crowd of 30,338 witnesses the Pirates fall to the Chicago Cubs, 3- 2, in the first game played at Forbes Field, the nation's first ball park made completely of poured concrete and steel.
October 16- In a World Series showdown between two of baseball's premiere players- Honus Wagner vs. Ty Cobb- the Pirates down the hometown Detroit Tigers, 8- 0, in Game Seven to become World Champions for the first time. The real star of the Series, though, is rookie pitcher Babe Adams, who notches three victories, including the decisive seventh game shutout.
1911
October 12- Honus Wagner closes out the season with a .334 average, good enough to earn the "Flying Dutchman" his National League record eighth, and final, batting title.
1915
Fred Clarke, who led the Pirates to four pennants, a World Championship and more than1,400 victories as a player- manager, retires after 16 years at the helm.
1921
August 5- KDKA, the world's first commercial radio station to schedule broadcasts on a regular basis, airs the first broadcast of a Major League game as Harold Arlin describes the action of the Pirates' 8- 5 win over the Phillies at Forbes Field.
1925
October 15- In Game Seven of the World Series at Forbes Field, Kiki Cuyler laces an eighth- inning, two out, bases loaded, double off Washington's Walter Johnson to lead the Pirates to a 9- 7 victory
1927
October 8- The National League Championship Pirates lose, 4- 3, and are swept in four games by the New York Yankees and their famous "Murderer's Row" lineup featuring Babe Ruth and Lou Gehrig
1935
May 25- at Forbes Field, Babe Ruth strokes the last three home runs of his career. The final blow is the first ever to clear the then 10-year-old right field roof.
1936
February 2- Honus Wagner Joins Ty Cobb, Babe Ruth, Christy Mathewson and Walter Johnson in being elected by the baseball writers as the first players to enter the new Baseball Hall of Fame. The actual induction ceremony doesn't take place until June 12, 1939.
1937
June 4- First baseman Gus Suhr sets the Pirates franchise record by playing in his 882nd consecutive game.
1938
September 15- Lloyd and Paul Wagner hit back-to-back homers in the fifth inning at the Polo Grounds to become the first brothers to accomplish the feat in a major league game.
1941
July 8- At Detroit's Briggs Stadium, Pittsburgh's Arky Vaughan becomes the first player to hit two home runs in an All- Star Game, cracking a pair of two- run homers in the National League's 7- 5 loss.
1948
April 26- Legendary announcer Bob Price broadcasts his first Pirates game, joining another Pittsburgh favorite, Rosey Rowswell on the air. "The Gunner", as Price was known, goes on to describe Pirates action for 28 years.
1951
May 6- Cliff Chambers pitches the second no-hitter in Pirates' history, a 3- 0 victory in the second game of a doubleheader at Boston.
1952
September 27- Ralph Kiner finishes the season with a league-leading 37 homers to clinch his seventh consecutive N.L. home run crown.
1953
June 4- General manager Branch Rickey traded future Hall of Famer Ralph Kiner, the only man to lead his league in home runs for seven consecutive seasons.
1954
April 13- Seven years after Jackie Robinson broke baseball's color barrier, Pittsburgh rookie second baseman Curt Roberts makes his major league debut during the season opener at Forbes Field to become the first African American to play for the Pirates.
1955
April 17- Roberto Clemente, a 20- year- old rookie from Carolina, Puerto Rico, makes his Major League debut in right field at Forbes Field.
1956
May 28- First baseman Dale Long sets a major league record by hitting a home run in his eight consecutive game, a 3- 2 win over the Brooklyn Dodgers at Forbes Field.
1957
August 4- Former Pirates' second baseman Danny Murtaugh makes his managerial debut after being hired by general Manager Joe L. Brown to replace Bobby Bragan at the helm.
1959
May 26- In baseball's most remarkable pitching performance, Harvey Haddix throws 12 perfect innings against the Braves in Milwaukee, only to lose the game, 1- 0, in the 13th on an error, sacrifice bunt, intentional walk and double.
1960
October13- In Game Seven of the World Series at Forbes Field, Bill Mazeroski leads off the bottom of the ninth with the most dramatic home run in Series history, a blast over the left field wall, breaking a 9- 9 tie with the Yankees and bringing Pittsburgh its third World Championship.
1968
April 25- Groundbreaking ceremonies are held for the Three Rivers Stadium, the new home of the Pirate (and Steelers) to be constructed on Pittsburgh's North Side. Among the featured speakers is former track star and Olympic Champion Jesse Owens.
1969
September 20- At New York's Shea Stadium, Bob Moose stops the pennant-bound Mets, 4- 0, with a no-hitter, just the third in franchise history.
1970
June 12- at Jack Murphy Stadium in San Diego, Dock Ellis no-hits the Padres, 2- 0 to become the fourth Pirates pitcher to accomplish the feat.
June 28- The Pirates sweep a doubleheader form the Chicago Cubs, 3- 2 and 4- 1, in the final games at 61-year-old Forbes Field.
July 16- In the first game at Three Rivers Stadium, the Pirates take the field in revolutionary double knit uniforms, and leave the field 3- 2 losers to the Cincinnati Reds.
1971
September 1- The Pirates field what is believed to be baseball's first all-minority lineup in a 10- 7 win over the Phillies at Three Rivers.
October 13- At Three River Stadium, Milt May drives in the winning run with a pinch-hit single in the eight as the Pirates defeat the Baltimore Orioles in Game Four on the Fall Classic, the first night World Series game in baseball history.
October 17- Steve Blass hurls a four-hitter and Roberto Clemente homes as the Pirates win Game Seven of the World Series, 2- 1, at Baltimore, earning Pittsburgh its fourth World Championship.
1972
September 30- At Three Rivers Stadium, Roberto Clemente hits a four- inning double off Jon Matlack and becomes only the 11th player in major league history to reach the 3000 hit plateau.
1975
September 16- Rennie Stennett sets a modern major league record by going 7-for-7 in a nine-inning game at Chicago's Wrigley Field.
1976
April 10- LLanny Frattae makes his major league broadcast booth debut as the Pirates defeat the Philadelphia Phillies, 5- 4, at Veterans Stadium.
August 9- The 500th game in Three Rivers Stadium history turns out to be one of the most memorable as John Candelaria throws the first-ever no-hit, no-run game by a Pirates' pitcher in Pittsburgh, a 2- 0 win over the Los Angeles Dodgers.
1979
October 17- In Game Seven at Baltimore, Willie Stargell's third World Series homer lifts the Pirates to a 4- 1 win and their fifth World Championship. Stargell is named Series MVP after the Pirates erase a three-games-to-one deficit and ground the Orioles.
1982 
July 21- Willie Stargell hits his club record 475th home run, an eighth-inning, game-winning, pinch-hit solo shot at Cincinnati's Riverfront Stadium.
1990
September 21- Barry Bonds becomes the first Pirates' player (and just the second major league) in history to hit 30 or more homers and steal 50 or more bases in the same season.
1994 
July 12- The largest crowd in Pittsburgh baseball history, 59,568, turns out to as Three Rivers Stadium plays host to baseball's 65th All-Star Game. In a Midsummer Classic that is truly a classic Tony Gwynn leads off the 10th with a single and comes around to score the game-winning in dramatic fashion on a double by Moises Alou as the National League posts an 8- 7 victory.
1996
February 14- Kevin McClatchy and his financial partners purchase the Pirates and save the franchise from a move out of Pittsburgh by other potential buyers.
1997
July 12- In front of a sellout crowd at Three Rivers Stadium, Mark Smith's pinch-hit, three-run homer in the bottom of the 10th caps off a no-hitter by Francisco Cordova (nine innings) and Ricardo Rincon (one inning), the first combined extra-inning no-hitter in major league history.
1999
April 7- PNC Park ceremonial groundbreaking takes place and the Sixth Street Bridge is renamed the Roberto Clemente Bridge.
2000
October 1- A crowd of 55,351, the largest ever to see a regular season baseball in Pittsburgh, watches the Pirates fall to the Chicago Cubs, 10- 9, in the final game at Three Rivers Stadium.
2001
April 29- PNC Park, the fifth home of the Pittsburgh Pirates since their inception in 1887, opens along the shore of the Allegheny River and adjacent to Federal Street.
