1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.
2Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
On 11 and 12 September, during the Battle of Bzura, the British and the French made a decision not to help Poland. The ships with military cargo for Poland (to reach the Polish military through then neutral Romania) were turned around. In 1944, Abbeville was liberated by the General Stanislaw Maczek's Polish 1st Armoured Division.