The 1957 NCAA University Division Basketball Tournament involved 23 schools playing in single-elimination play to determine the national champion of men's college basketball in the NCAA University Division, replaced in 1973 by NCAA Division I. The 1956–57 school year was the first in which NCAA members were formally divided into separate competitive levels, with larger and more competitive athletic programs placed in the University Division and smaller programs placed in the College Division.
The 1940 NCAA Basketball Tournament involved eight schools playing in single-elimination play to determine the participating champion of men's NCAA Division I college basketball. The second edition of the tournament began on March 20, 1940, and ended with the championship game on March 30 in Kansas City, Missouri. A total of eight games were played, including a single third place game in the West region.
The 1941 NCAA Basketball Tournament involved eight schools playing in single-elimination play to determine the national champion of men's NCAA college basketball. It began on March 21, 1941, and ended with the championship game on March 29 in Kansas City, Missouri. A total of nine games were played, including a third place game in both regions.
The 1942 NCAA Basketball Tournament involved eight schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 20, 1942, and ended with the championship game on March 28 in Kansas City, Missouri. A total of nine games were played, including a third place game in each region.
The 1943 NCAA Basketball Tournament involved eight schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 24, 1943, and ended with the championship game on March 30 in New York City. A total of nine games were played, including a third place game in each region. Top-ranked Illinois declined to participate in the NCAA Tournament or NIT after three of its starters were drafted into the Army.
The 1949 NCAA Basketball Tournament involved eight schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 18, 1949, and ended with the championship game on March 26 in Seattle, Washington. A total of 10 games were played, including a third place game in each region and a national third place game.
The 1951 NCAA Basketball Tournament involved 16 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 20, 1951, and ended with the championship game on March 27 at Williams Arena in Minneapolis, Minnesota. A total of 18 games were played, including a third place game in each region and a national third place game.
The 1952 NCAA Basketball Tournament involved 16 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. The 14th annual edition of the tournament began on March 21, 1952, and ended with the championship game on March 26 in Seattle. A total of 20 games were played, including a third place game in each region and a national third place game.
The 1954 NCAA Basketball Tournament involved 24 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 8 and ended with the championship game on March 20 in Kansas City, Missouri. A total of 28 games were played, including a third place game in each region and a national third place game.
The 1955 NCAA Basketball Tournament involved 24 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 8, 1955, and ended with the championship game on March 19 in Kansas City, Missouri. A total of 28 games were played, including a third place game in each region and a national third place game.
The 1961 NCAA University Division Basketball Tournament involved 24 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball in the United States. It began on March 14, 1961, and ended with the championship game on March 25 in Kansas City, Missouri. A total of 28 games were played, including a third place game in each region and a national third place game.
The 1965 NCAA University Division Basketball Tournament involved 23 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 8, 1965, and ended with the championship game on March 20 in Portland, Oregon. A total of 27 games were played, including a third-place game in each region and a national third-place game.
The 1966 NCAA University Division Basketball Tournament involved 22 schools playing in single-elimination play to determine the national men's basketball champion of the NCAA University Division, now Division I. It began on March 7 and ended with the championship game on March 19 in College Park, Maryland. A total of 26 games were played, including a third place game in each region and a national third place game.
The 1968 NCAA University Division Basketball Tournament involved 23 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 8, 1968, and ended with the championship game on March 23 in Los Angeles, California. A total of 27 games were played, including a third place game in each region and a national third place game.
The 1969 NCAA University Division men's basketball tournament involved 25 schools playing to determine the national champion of men's NCAA Division I college basketball. It began on March 8, 1969, and ended with the championship game on March 22 in Louisville, Kentucky. Including consolation games in each of the regions and an overall consolation game, a total of 29 games were played.
The 1971 NCAA University Division Basketball Tournament involved 25 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 13, 1971, and ended with the championship game on March 27 in Houston, Texas. A total of 29 games were played, including a third place game in each region and a national third place game.
The 1973 NCAA University Division Basketball Tournament involved 25 schools playing in single-elimination play to determine the national champion of men's NCAA University Division college basketball. It began on Saturday, March 10, and ended with the championship game on Monday, March 26, in St. Louis, Missouri. A total of 29 games were played, including a third place game in each region and a national third place game.
The 1977 NCAA Division I Basketball Tournament involved 32 American schools playing in single-elimination play to determine the National Champion of Men's NCAA Division I college basketball. It began on Saturday, March 12, 1977, and ended with the championship game on Monday, March 28 in Atlanta. A total of 32 games were played, including a national third place game. This was the final tournament in which teams were not seeded.
The 1979 NCAA Division I Basketball Tournament involved 40 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 9 and ended with the championship game on March 26 in Salt Lake City. A total of 40 games were played, including a national third-place game. This was the tournament's only edition with forty teams; the previous year's had 32, and it expanded to 48 in 1980. The 1979 Indiana State team was the most recent squad to reach a national title game with an undefeated record, holding that distinction for 42 years until the 2021 Gonzaga Bulldogs team won a 93-90 OT national semifinal over UCLA to reach the 2021 title contest vs. Baylor with a 31-0 record.
The 1991 NCAA Division I men's basketball tournament involved 64 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 14, 1991, and ended with the championship game on April 1 in Indianapolis, Indiana. A total of 63 games were played.
