1876 – The Cubs join the National League with the name of Chicago White Stockings at the time.

1903 – The team adopts the official name of “Cubs” after previously being called nicknames like “Orphans” and “Colts” after the formation of Major League Baseball. 

1906 – Cubs set a major league record with 116 wins across the season with a winning percentage of 0.763. 

1907 – Cubs win their first World Series title against the Detroit Tigers.

1908 – Cubs become the first team to win two consecutive World Series titles featuring a rematch against the Detroit Tigers.

1916 – Charles H. Weeghman purchases the team from the Taft family of Cincinnati and moves the Cubs to Weeghman Park, which opened in 1914 on the North Side. The team still plays there.

1920 –  The Wrigley family purchases the team from Weeghman.

1922 – The Cubs defeat the Phillies 26-23 in the highest scoring game in MLB history.

1926 – Weeghman Park is renamed to Wrigley Field in honor of William Wrigley Jr., the club’s owner. 

1930 – Cubs player Hack Wilson sets an MLB record with 191 RBI’s (run batted in) in a single season.

1932 – The Cubs face the Yankees in the World Series, notable for Babe Ruth’s “called shot” in Game 3 at Wrigley Field. 

1937 – Wrigley Field undergoes renovations to the outfield area while also adding a scoreboard and bleachers. 

1937 – Wrigley Field’s iconic ivy-covered outfield walls are introduced by promoter Bill Veeck.

1938 – Cubs player Gabby Harnett hits his legendary “Homer in the Gloamin’” home run, propelling the Cubs to the National League pennant. 

1945 – The “Curse of the Billy Goat” begins as the Cubs lose the World Series to the Brooklyn Dodgers, and continues for 71 years until 2016 when they win the NL pennant against the Los Angeles Dodgers.

1953 – Ernie Banks becomes the first African American player on the Cubs.

1962 – Buck O’Neil becomes the first African American coach to join the Cubs staff. 

1984 – Cubs win the NL East division, marking their first postseason appearance since 1945

1988 – Wrigley Field adds lights 

2003 – Cubs reach the National League Championship Series but lose to the Florida Marlins, highlighting in Game 6, the “Steve Bartman incident.”   

2009 – The Ricketts Family purchases 95% of the Cubs stake for $845 million, becoming the official owners of the team

2011 – Theo Epstein is hired as the president of baseball operations.

2014-2019  Project 1060 aimed at renovating Wrigley Field begins at the conclusion of the season and begins to wrap up at the end of 2019.

2016 — Cubs win 103 games and win the World Series, ending a 108-year championship drought. 

2017 – Cubs are honored with their 2016 World Series title and the Laureus World Team of the Year award. 

Sources – Britannica, Wikepedia, MLB.com, Cubs.com, EBSCO.com