Where did Mardi Gras start

Alabama Claims to Be Home of Mardi Gras
Alabama Claims to Be Home of Mardi Gras
Alabama Claims to Be Home of Mardi Gras
Louisiana residents will tell you Alabama kind of gets under our skin. Well now, this might be a new low. We have to deal with Nick Saban and Alabama football every year, but now the State of Alabama has put up billboards around New Orleans claiming to be the real home of Mardi Gras.