Since then, the program has won 28 Southeastern Conference (SEC) championships and claimed 18 national championships. These include, for years prior to consensus selections, five titles from NCAA-recognized "major selectors" bestowed in 1934 and 1941, and retrospectively for 1925, 1926, and 1930. Alabama was also retrospectively selected as national champion for 1945, 1966, and 1977, as well as at the end of the 1975 and 2016 college football seasons by the Matthews, Congrove, Colley Matrix, and Dunkel Systems, but these five are not claimed by the university. In January 2012, Alabama defeated No.1 LSU 21–0 to take the BCS national title. In January 2013, Alabama defeated the Notre Dame Fighting Irish 42–14 for its 15th national championship. In January 2016, Alabama defeated the Clemson Tigers 45–40 to claim its 16th national championship. On January 8, 2018, Alabama defeated the Georgia Bulldogs 26–23 to take the team's 17th national championship. On January 11, 2021, Alabama defeated the Ohio State Buckeyes 52-24 for its 18th national championship.