Sunflower Showdown to pay for the construction of Allen Fieldhouse, which would seat 17,000. KU opened the facility with a 77–66 victory over Kansas State on March 1, 1955. This period also saw the beginning of the 'Sunflower Doubleheader', with two non-conference teams visiting the state to play KU and K-State at one venue one night, then switching venues and opponents the following evening. This event was held from 1957 to 1968, and featured national powerhouses such as UCLA, Xavier, San Francisco, St. Joseph's, Cal, and Marquette. The basketball rivalry between the two schools continued unabated through the 1960s and 1970s, with
Idaho State Highway 69 route to Meridian. But instead of ending at Interstate 84 as it currently does, the highway continued north to its former junction with the historic alignment of US-30 which followed Franklin Road to the west, Main Street through town and then Fairview Avenue to the east. Highway 69 briefly followed historic US-30 eastward to the Eagle Highway which is now known as Eagle Road (also now known as State Highway 55). The highway then ended in central Eagle at its northern junction with State Highway 44 which then ran through town on State Street. Plans are being considered that could