連合国共同宣言
The exiled Luxembourgish government meanwhile fled to France and then Portugal before establishing itself in London for the remainder of the war, while Grand Duchess Charlotte settled in Montreal. The exiled government committed its very limited resources to the Allied war effort, signing the Declaration of St James's Palace and Declaration by United Nations. It also formed the agreement that created the Benelux customs union with the exiled governments of Belgium and the Netherlands.