During the Second World War, Vlieland became part of the German Atlantic Wall. The occupying German forces built two anti-aircraft batteries and stationed more soldiers on the island than there were inhabitants. In 1942 the islands of Vlieland and Terschelling were transferred from the province of North Holland to Friesland and the situation was not reversed after the war.Friesland zoals het was, September 1942 , Tresoar The mail station in the western part of the island is a reminder that in the past mail was delivered by ferry from Texel.
During the Second World War Vlieland became part of the German Atlantic Wall The occupying German forces built two anti-aircraft batteries and stationed more soldiers on the island than there were inhabitants In 1942 the islands of Vlieland and Terschelling were transferred from the province of North Holland to Friesland and the situation was not reversed after the warFriesland zoals het was September 1942  Tresoar The mail station in the western part of the island is a reminder that in the past mail was delivered by ferry from Texel