The UC Davis Aggies football team represents the University of California, Davis in NCAADivision IFootball Championship Subdivision (FCS) intercollegiate competition. The UC Davis football program began competing in 1915, and has fielded a team each year since with the exception of 1918 during World War I and from 1943 to 1945 during World War II, when the campus, then known as the University Farm, was shut down. UC Davis competed as a member of the NCAA College Division through 1972. From 1973 to 2006, the Aggies competed within the NCAA Division II. In 2007, UC Davis promoted its football program to the Division I FCS level, and joined the Great West Conference. UC Davis has secured a total of 30 conference championships. Between 1929 and 1992, the Aggies captured 27 outright or shared Northern California Athletic Conference championships, including 19 in a row from 1971 to 1990. In 1993, UC Davis shared the American West Conference title, and in 2005 and 2009, the Aggies have won the Great West Conference.
The Sacramento State Hornets are the natural cross-town rival who battles UC Davis annually for the Causeway Carriage. This rivalry is known as the Causeway Classic. UC Davis leads the all time series 40 to 18 with no ties. Cal Poly Mustangs are another rival of the Aggies. UC Davis and Cal Poly play yearly in the Battle for the Golden Horseshoe, where the winner receives a trophy of a large golden horseshoe. Both Sacramento State and Cal Poly are also the Aggies' designated rivals for Big Sky Conference scheduling purposes, which means UC Davis plays both teams every year as part of its conference schedule.