The four-lane highway through Addis is completed. 1962 First Addis Mardi Gras Parade is held. The parade consisted of children of the community pulling their decorated wagons. To show off their newly restored fire engine in 1963, the people of Addis decorated children's wagons and took to the streets in celebration. George Booksh cited by Louisiana Municipal Association as the oldest serving mayor in the state.
Copolymer begins construction.
August 1990 Addis receives Louisiana Municipal Association Award for outstanding municipal improvement of public service. The Mayor and Alderman at the ribbon cutting ceremony. The Town of Addis in conjunction with the Addis Assemblee' Reunion Committee and the Congres Mondial Acadien hosted the Bergeron, Caillouet, and Gautreaux Family Reunions.