Title: List of Big Ten Conference national championships
Content:  Prior to the NCAA sponsored championship, Michigan won 2 national titles. ° NIGA national champion
Title: University of Michigan
Content:  The Michigan football program ranks first in NCAA history in total wins (925 through the end of the 2015 season) and first among FBS schools in winning percentage (.731). The team won the first Rose Bowl game in 1902. U-M had 40 consecutive winning seasons from 1968 to 2007, including consecutive bowl game appearances from 1975 to 2007. The Wolverines have won a record 42 Big Ten championships. The program has 11 national championships, most recently in 1997, and has produced three Heisman Trophy winners: Tom Harmon, Desmond Howard and Charles Woodson. The men's ice hockey team, which plays at Yost Ice Arena, has won nine national championships. The men's basketball team, which plays at the Crisler Center, has appeared in five Final Fours and won the national championship in 1989. The program also voluntarily vacated victories from its 1992–1993 and 1995–1999 seasons in which the payments took place, as well as its 1992 and 1993 Final Four appearances. The men's basketball team has most recently won back-to-back Big Ten Tournament Championships.
Title: List of Michigan sport championships
Content:  Detroit Lions win their fourth National Football League championship. ; 1962 The Muskegon Zephyrs of the International Hockey League win Muskegon's first Joseph Turner Memorial Cup IHL championship. ; 1962 The Michigan Technological University Huskies win their first NCAA hockey title. ; 1964 The Grand Rapids Tackers win the Mid-West Professional Basketball League championship. ; 1964 The University of Michigan Wolverines win their seventh NCAA hockey title (their last for 32 years). ; 1965 The Grand Rapids Tackers win their first North American Basketball League championship. ; 1965 The Michigan Tech Huskies win their second NCAA hockey title. ; 1966 The Port Huron 
Title: Michigan Collegiate Hockey Conference
Content:  The MCHC has produced eleven National Championship teams, the most of any Division 3 conference, including Ferris State (1994), Muskegon Community College (2003), Calvin College (2004), Saginaw Valley State (2009, 2010), Adrian College-Gold (2012, 2013, 2014), Michigan State (2015), Oakland (2016), and Hope College (2018). SVSU became the first school in Division 3 history to not only win two National Championships, but to do it in back-to-back years. Adrian College-Gold later became the first school in Division 3 history to not only make three straight National Championship Games, but to win all three.
Title: Central Michigan Chippewas
Content:  The football team won the second NCAA Division II national championship in 1974 by defeating the University of Delaware 54–14. The team was voted national champion in the Associated Press College Division poll. The Chips have also been national runner-up twice. In 2006, they won the MAC Championship in against Ohio and then defeated Middle Tennessee State in the Motor City Bowl. In 2007, the team defended their MAC Championship title in the game against Miami University, but lost to Purdue in the Motor City Bowl. The team was also beaten by Florida Atlantic in the 2008 Motor City Bowl.
Title: List of Michigan sport championships
Content:  win their fifth Midwest League Championship Series in twelve seasons. ; 2007 The Michigan State University Spartans win their third NCAA hockey title. ; 2008 The Detroit Red Wings win the Stanley Cup—their eleventh National Hockey League championship and fourth in eleven seasons. ; 2008 The Detroit Shock earn their third WNBA Championship in the WNBA Finals. It is the team's third title in six seasons. ; 2013 The Grand Rapids Griffins win their first American Hockey League(AHL) Calder Cup Championship ; 2015 The West Michigan Whitecaps win their sixth Midwest League Championship Series. ; 2017 The Grand Rapids Griffins win their 
Title: List of Michigan sport championships
Content:  Hockey League win Port Huron's third and final Joseph Turner Memorial Cup IHL championship. ; 1974 The Central Michigan University Chippewas win the NCAA Division II Football Championship. ; 1975 The Northern Michigan University Wildcats win their first NCAA Division II Football Championship. ; 1975 The Michigan Tech Huskies win their third NCAA hockey title. ; 1977 The Grand Rapids Blades win the United States Hockey League championship in their only season of play. ; 1977 The Saginaw Gears of the International Hockey League win their first Joseph Turner Memorial Cup IHL championship. ; 1977 The Detroit Caesars win their first American Professional 
Title: Michigan State Spartans
Content:  would go on to win their first national collegiate club championship in 2000. Michigan State would continue to enjoy much success in the 2000s, winning the Big Ten Championship in 2002 and from 2005–2010. This included an impressive four year stretch which included the Spartan's second and third national championships in 2006 and 2008, and runner-up finishes for the national title in 2005 and 2007, as well as a third-place finish in 2010. In 2014, the Spartans would stage a comeback in the final two minutes of regulation to upset Michigan in the Big Ten title game for their eleventh Big Ten Championship, and their seventh in ten years.
Title: Michigan State Spartans
Content:  Michigan State's men's basketball team has won the National Championship two times: in 1979 and 2000. In 1979, Earvin "Magic" Johnson, along with Greg Kelser, Jay Vincent and Mike Brkovich, carried the MSU team to a 75–64 win against the Larry Bird-led Indiana State Sycamores. In 2000, three players from Flint, Michigan, Morris Peterson, Charlie Bell and Mateen Cleaves, carried the team to its second national title. Dubbed the "Flintstones", they were the key to the Spartans' win against Florida 89–76. In addition to the two Championships, the 2008–09 team reached the NCAA Championship game, but lost to North Carolina 89–72. Since 1995, Michigan State has been coached by Tom 
Title: Michigan State University
Content:  The Michigan State Spartans compete in the NCAA Division I Big Ten Conference. Michigan State Spartans football won the Rose Bowl Game in 1954, 1956, 1988 and 2014, and the university claims a total of six national football championships. Spartans men's basketball won the NCAA National Championship in 1979 and 2000 and has attained the Final Four eight times since the 1998–1999 season. Spartans ice hockey won NCAA national titles in 1966, 1986 and 2007. The women's cross country team was named Big Ten champions in 2019. In the fall of 2019, MSU student-athletes posted all-time highs for graduation success rates and federal graduation rates, according to NCAA statistics.

Question: when did michigan last win a national championship?
Answer: 1989.