Château de Beaurepaire is a château on the D138 road between Montreuil and Campagne-les-Hesdin in the Pas-de-Calais, France.Website of the commune of Beaumerie-Saint-Martin
It housed the British Expeditionary Force's General Headquarters during World War I from April 1916 to April 1919, and was the headquarters in this period of its commander, Douglas Haig.
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