1970 Park Plaza shopping development opens on 18 acres in downtown. EAA holds its first Oshkosh fly-in. Wisconsin State University-Oshkosh celebrates centennial. 1972 Second Oshkosh high school, North High, opens. 1973 Main Street Bridge reopens after 17 months of construction.
Tornado hits west side.
Senior Citizens' Center opens. Phil Donahue broadcasts his June 25th national TV show from Civic Center. 1983 Steiger wing added to Oshkosh Public Museum. 1984 EAA Aviation Center and Museum opens. 1985 President Reagan visits.