Map created by Count Léonce Hallez-Claparède (1813-1870) detailing the annexation of Alsace by France through various treaties between the Peace of Westphalia (24 October 1648) and 20 November 1815. Original title: Historical map of Alsace from the time of its annexation by France and the dates of the different treaties which followed the Peace of Westphalia (24 October 1648 to 20 November 1815)