It was created from parts of the former provinces of Calaisis , formerly this last formerly part of the Spanish Netherlands .
Pas - de-Calais is one of the original 83 departments created during the French Revolution on 4 March 1790 .
departments was created from parts of the former provinces of Calaisis , formerly this last formerly part of the Spanish Netherlands .
Pas - de-Calais is one of the original 83 departments created during the French Revolution on 4 March 1790 .