1972

• Marina in Friendship is founded

1973

• Construction nears completion on the Southern Ohio Correctional Facility
• Ohio River boundary is set by the Supreme Court

1974

• Guards strike at Southern Ohio Correctional Facility
• WPBO TV in Portsmouth is dedicated

1975

• U.S. began withdrawing troops from Vietnam

1976

• Construction begins at  Shawnee State College

1977

• Pepsi Cola Bottling Co. was first occupant of the Greater Portsmouth Area Industrial Park at Franklin Furnace
• Blizzard hits area

1978

• Fire in Boneyfiddle District between Second and Third Streets wipes out five businesses
• Portsmouth High School won the Ohio Class AA State Basketball Championship.

1979

• Museum dedicated in 1979
• Racer is killed in River Days boat races

1980

• U.S. Grant Bridge reopened after a 17 month closure
• Scioto Economic Development Corp began operation