1958 – Nelson completes a record-setting career at Rock Island High School in which he led the Rocks to a 47-7 record in his last two years. Included was a 39-point, 20-rebound game against Moline and a 30-point, 29-rebound effort against No. 1-ranked Ottawa.
1961 – As a junior at Iowa, he averages 23.7 points a game and is named first-team All-Big Ten.
1962 – He completes his Iowa career as the school’s all-time leading scorer, with three-year averages of 21.2 points and 10.9 rebounds a game.
1962 – He is selected in the third round of the NBA draft (19th overall) by the Chicago Zephyrs.
1965 – The Boston Celtics acquire him from the Los Angeles Lakers for $100. Boston coach Red Auerbach called it the “best deal I ever made.’’
1966 – The Celtics win the first of five NBA championships during Nelson’s time with the team.
1969 – The Celtics win another NBA title, thanks to a clutch foul-line jumper by Nelson with a minute to go in the clinching victory over the Lakers.
1970 – He averages a career-high 15.4 points a game.
1976 – He retires from the Celtics after winning yet another NBA title.
1976 – He serves as assistant coach of the Milwaukee Bucks for the first 16 games of the 1976-77 season and when head coach Larry Costello resigns, Nelson takes his place.
1980 – The Bucks win the first of three straight Central Division titles.
1987 – After his seventh straight season with 50 or more wins, he steps down as head coach of the Bucks.
1988 – After a year off, he becomes head coach of the Golden State Warriors.
1994 – He coaches the U.S. team to a gold medal in the FIBA World Championships.
1995 – He is fired by Golden State but hired as the head coach of the New York Knicks.
1996 – He resigns after one season as head coach of the Knicks.
1997 – He begins an eight-year run as head coach of the Dallas Mavericks.
2006 – He is hired again as head coach at Golden State.
2010 – He passes Lenny Wilkens as the winningest coach in NBA history in April, then resigns as head coach in September.
2012 – Nelson is named to the Naismith Basketball Hall of Fame and finally earns his college degree.