February 13: Pitchers and catchers take the field at Kino Veterans Memorial Sportspark in Tucson to inaugurate the Diamondbacks' first major-league spring training.

February 27: In the Diamondbacks' first Cactus League exhibition game, Edwin Diaz hits a ninth-inning sacrifice fly that scores Kelly Stinnett with the winning run in a 6-5 victory over the Chicago White Sox at Tucson Electric Park.

March 20: Jerry Colangelo and county officials break bottles of sparkling water over the rotunda railings to highlight the official dedication ceremony at Bank One Ballpark

March 29: The final exhibition game of the season serves as a trial run for Bank One Ballpark as 49,198 fans see the White Sox defeat Arizona, 3-0.

March 31: With 50,179 fans overflowing Bank One Ballpark, the Diamondbacks celebrate the first regular season game in franchise history. Colorado wins, 9-2, but not before Travis Lee collects Arizona's first hit (a first-inning single), first homer, first run and first RBI.

April 5: Arizona celebrates its first victory, a 3-2 win over San Francisco that evens Andy Benes' record at 1-1.

July 30: Omar Daal pitches the franchise's first complete-game shutout, scattering four hits in a 4-0 victory over the Chicago Cubs at Bank One Ballpark.

September 4: A 3-1 win over Houston gives the Diamondbacks their seventh consecutive victory, equalling the longest winning streak by any expansion team in history.

September 13: Andy Benes comes within two outs of pitching a no-hitter in a 5-0 win at Cincinnati, highlighting a September in which he was 3-0 with an 0.47 ERA. Benes ends the season with a string of 27.1 scoreless innings.

April 11: Luis Gonzalez cracks a seventh-inning homer off Atlanta's Greg Maddux, beginning a hitting streak that will last through May 18. Gonzalez is the 37th player in major-league history to reach the 30-game plateau.

April 19: Jay Bell is named National League Player-of-the-Week, becoming the first Diamondback ever to win the award. Before the season ends, he will be joined by Matt Williams (twice), Randy Johnson (twice) and Steve Finley. Williams was also NL Player-of-the-Month for April and Johnson was Pitcher-of-the-Month for July.

May 12:Matt Williams two-run, game-winning homer caps a five-run ninth as Arizona comes from behind for an 8-6 win over Montreal. It is the third straight night that the Diamondbacks beat the Expos with a homer in their final at bat. Jay Bell was the hero on May 10, with Luis Gonzalez doing the honors on May 11.

June 25: Bank One Ballpark plays host to its first no-hitter as St. Louis' Jose Jimenez outduels the Diamondbacks' Randy Johnson, 1-0. The game's only run scores on Thomas Howard's single in the top of the ninth inning.

July 9: Arizona's bullpen is solidified with the addition of closer Matt Mantei, acquired from Florida for pitcher Vladimir Nunez, pitcher Brad Penny and a player to be named later.

July 11:Jay Bell's grand slam in the sixth inning wins $1 million for fan Gylene Hoyle of Chandler, who predicted the player and the inning before the game as part of Shamrock Farms Grand Slam Sundae. As an afterthought, the Diamondbacks beat Oakland, 7-4.

July 13: Third baseman Matt Williams and second baseman Jay Bell become the first Diamondbacks to start an All-Star Game. Pitcher Randy Johnson and left fielder Luis Gonzalez also make appearances. No team could boast more representatives.

July 21: Tony Womack legs out a ninth-inning, inside-the-park grand slam off relief ace Billy Wagner to give the Diamondbacks a 7-4 victory in Houston. It is the first inside-the-park homer in franchise history.

September 24: Matt Williams scoops up Doug Mirabelli's ground ball and throws to first base for the final out of an 11-3 victory in San Francisco that mathematically clinches the National League West championship for the Diamondbacks. Arizona becomes the first expansion team to reach the playoffs or win a division title in its second year of competition.

September 26: An estimated 8,000 fans jam the Bank One Ballpark Plaza to greet the Diamondbacks on their return home from their sweep of the Giants.

October 3: The Diamondbacks notch win No. 100 of the year in the season finale. Bernard Gilkey and Rod Barajas hit back-to-back home runs in a 10-3 win over San Diego at Bank One Ballpark.

October 5: In the team's first post-season appearance, Arizona drops an 8-4 decision to the New York Mets. Edgardo Alfonzo's ninth-inning grand slam, his second homer of the day, makes the difference.

October 6: Todd Stottlemyre scatters four hits over 6.2 innings to help the Diamondbacks notch their first post-season win, 7-1, Steve Finley's two-run single in the third puts Arizona ahead to stay.

October 9: Arizona's season ends when Todd Pratt homers in the bottom of the 10th inning to give New York a 4-3 victory in Game Four of the NL Division Series.

November 11: The Diamondbacks earn their first Gold Glove Award when Steve Finley is honored as one of the National League's top fielding outfielders.

November 16: After leading the major leagues in strikeouts, innings pitched and complete games, Randy Johnson gives the Arizona franchise its first major individual trophy by winning his second Cy Young Award.

May 13: Diamondbacks set a club record by winning nine consecutive games.

May 31: Diamondbacks turn the first triple play in club history in the fifth inning of their game against the St. Louis Cardinals with Mark McGwire at the plate.

June 26: After hitting 35 home runs in 53 minor league games, Alex Cabrera makes his big league debut and homers as a pinch-hitter in the eighth inning. He becomes the 78th player in baseball history to homer in his first career at bat.

July 5: Luis Gonzalez becomes the first Diamondbacks player to hit for the cycle when he homers in the ninth inning at Houston.

July 11: Randy Johnson starts for the National League in the All-Star Game in Atlanta, giving up one hit and striking out one in one inning of work. Steve Finley enters the game as a defensive replacement and singles home a run in his lone at bat.

September 10: Randy Johnson records the 3,000th strikeout of his career in Miami.