Sept. 22, 1934: Robert Luther Olson is born Sept. 22 on a farm outside Hatton, North Dakota.
Fall 1939: Olson's father, Albert, dies of a stroke at age 47. His brother, Amos, dies in a tractor accident the next spring.
Summer 1940: Olson's mother, Alinda, sells the family farm and moves to Mayville, North Dakota.
Winter 1952: Olson leads Grand Forks Central High School to North Dakota's Class A state basketball championship.
Fall 1952: Olson enrolls at Augsburg College. Plays four years of football and basketball and one year of baseball.
Fall 1953: Olson marries Roberta (Bobbi) Russell on Thanksgiving Day.
Summer 1956: Named head coach at Mahnomen (Minnesota) High School.
Summer 1957: Named head coach at Two Harbors (Minnesota) High School.
Summer 1961: Moves to Boulder, Colorado, to be a middle school guidance counselor.
Summer 1962: Moves from Boulder to Huntington Beach, California.
Fall 1962: Coaches the freshman basketball team at Western High School in Anaheim, California.
Fall 1963 Named varsity coach at Loara High School in Anaheim.
Fall 1964: Named head coach at Marina-Huntington Beach High School.
Summer 1969: Named head coach at Long Beach City College.
Spring 1973: Named head coach at Long Beach State.
Spring 1974: Named head coach at Iowa.
Spring 1979: Named Big Ten Conference coach of year after Iowa goes 20-8, sharing the Big Ten title and reaching the NCAA Tournament.
Spring 1980: Iowa beats Georgetown to reach Final Four.
March 29, 1983: Olson is named head coach at Arizona.
Fall 1983: Olson beats Northern Arizona 72-65 in first regular-season game.
Spring 1985: Arizona finishes 21-10, reaches NCAA Tournament.
Spring 1986: Arizona wins Pac-10 Conference and finishes 23-9.
Summer 1986 Coaches USA Basketball to a gold medal in the world championships.
Spring 1988: Sean Elliott, Steve Kerr and Tom Tolbert lead Arizona to its first Final Four, and the team finishes the season 35-3. Olson is named national coach of the year.
Spring 1989: Top-ranked Arizona loses 68-67 to UNLV in the NCAA West Regional semifinal. Arizona finishes 29-4.
Spring 1990: Arizona loses to Alabama in the second round of the NCAA Tournament and finishes 25-7.
Spring 1991: Arizona wins the Pac-10 Conference, reaches the Sweet 16 and finishes 28-7.
Spring 1992: Arizona loses to East Tennessee State in the first round of the NCAA Tournament and finishes 24-7.
Spring 1993: Arizona loses to 15th-seeded Santa Clara in the first round of the NCAA Tournament and finishes 24-4.
Spring 1994: With Damon Stoudamire, Khalid Reeves and Reggie Geary leading the way, Arizona reaches its second Final Four before losing to eventual national champion Arkansas. The Wildcats finish 29-6.
Spring 1995: Arizona loses to Miami (Ohio) in the first round of the NCAA Tournament and finishes 24-7.
Spring 1996: Arizona reaches the Sweet 16, losing to Kansas in the NCAA West Region semifinal, and finishes 27-6.
Spring 1997: Arizona defeats three No. 1 NCAA Tournament seeds en route to its first-ever national championship in basketball. "This is one tough group of Cats," he says. The Wildcats finish the season 25-9.
Spring 1998: Arizona goes 17-1 in Pac-10 play but loses to Utah 76-51 in the West Region finals. The Wildcats finish 30-5 overall.
Summer 1998: Bobbi Olson is diagnosed with ovarian cancer.
Spring 1999: Arizona is upset by 13th-seeded Oklahoma 61-60 in first round of the NCAA Tournament.
Feb. 26, 2000: The floor at McKale Center is renamed Lute Olson Court — and is later changed to Lute & Bobbi Olson Court.
Spring 2000: Arizona upset by Wisconsin 66-59 in the second round of the NCAA Tournament.
Winter 2001: Olson leave of absence to be with his ailing wife. Bobbi Olson dies on New Year's Day. The coach returns on Jan. 15.
Spring 2001: Arizona reaches the NCAA championship game for the second time but falls to Duke. The Wildcats finish the season 28-8.
Spring 2002: Arizona wins the Pac-10 Tournament, reaches the Sweet 16 and finishes 24-10.
Sept. 27, 2002: Olson is inducted to the Naismith Memorial Basketball Hall of Fame in absentia; he is in Italy for son Steve's wedding.
March 29, 2003: Arizona loses 78-75 to Kansas in the NCAA West Regional final after holding the nation's No. 1 ranking for most of the season.
April 12, 2003: Olson marries 46-year-old Christine Toretti of Indiana, Pennsylvania.
Fall 2003: Matt Brase, Olson's grandson and a Catalina Foothills High School graduate, walks onto the UA team.
Nov. 24, 2003: Olson wins 500th game at UA, 107-73 over Northern Arizona.
Jan. 3, 2004: Olson career victory No. 700 with a 93-74 win at Arizona State.
March 18, 2004: UA blows a 14-point lead in the second half, loses to Seton Hall in the first round of the NCAA tournament.
March 26, 2005: Third-seeded UA blows a 15-point lead with four minutes to go, then loses in overtime to Illinois 90-89 in Elite Eight.
March 19, 2006: UA's season ends in 82-78 loss to top-seeded Villanova in second round of NCAA tournament at Philadelphia.
March 16, 2007: UA exits NCAA tournament with a first-round loss to Purdue.
Nov. 4, 2007: Olson announces a leave of absence for "a personal matter." Assistant Kevin O'Neill is named interim head coach.
Dec. 6, 2007: Olson extends his leave of absence for the rest of the season and files for divorce from his second wife, Christine.
March 16, 2008: Cats earn NCAA tournament bid for the 24th straight year, a No. 10 seed in the West Region.
March 24, 2008: Olson returns to work. A week later, he announces O'Neill will not return.
Oct. 1, 2008: Olson announces his engagement to future wife Kelly, 47, at a fundraiser.
Oct. 23, 2008: Olson retires following 24 seasons as the UA's head coach. Assistant coach Russ Pennell is named interim head coach the following day.
Oct. 28, 2008: Olson's doctor announces the coach had a previously undisclosed stroke, likely within the previous year. Dr. Steven D. Knope says he advised Olson to retire "to take care of health concerns."
March 14, 2009: Olson is inducted into the Pac-10 Hall of Honor.
April 2010: Lute and Kelly Olson are married.
April 12, 2018: The UA unveils a state of Olson outside the Jim Click Hall of Champions, located on the north side of McKale Center. "The hair was right," he says.
Feb. 16, 2019: Olson is admitted to Banner-University Medical Center after suffering what his doctor says is a minor stroke.
Nov. 24, 2019: Olson is reinducted into the Collegiate Basketball Hall of Fame, 13 years after the organization automatically added anyone elected to the Naismith Hall of Fame.
Thursday: Olson dies at age 85.