It was Regan and Bush Senior slogan before that:
Ronald Reagan, the 1980 Republican presidential nominee, originated the slogan “Make America Great Again.” He and his running mate George H.W. Bush used the phrase on buttons and posters
https://www.si.edu/object/button-ronald-reagan-1980:nmah_522618
It was Regan and Bush Senior slogan before that:
https://www.si.edu/object/button-ronald-reagan-1980:nmah_522618