* American Revolutionary War
* Spy mission, Rhode Island
* Yorktown campaign (naval)
He also smuggled weapons for the Americans in 1775 from Saint-Pierre and Miquelon Island. Enraged, the British burned the island house and farm because of it.
According to the Lineage Book of the Daughters of the American Revolution, Douville was an original member of the Society of the Cincinnati. There is now a portrait of Douville hanging at the Confederation of the Arts in Charlottetown Prince Edward Island commemorating the Acadian deportation to France