22 May 1940
Emergency Powers Act passed
German troops from II Panzer Division reach the outskirts of Boulogne but are repulsed by unexpected British and French resistance. The British contingent is made up of one battalion of the Irish Guards and one battalion of the Welsh Guards, both of which arrived at Boulogne by sea earlier in the day.
British troops land at Calais, and prepare to link up with the forces at Dunkirk.
The War at Sea, 1939-1945, Volume I: The Defensive, S. W. Roskill
. This first volume in the British official history of the war at sea covers the period from the outbreak of the war through to the first British disasters in the Pacific in December 1941. Amongst other topics it covers the Norwegian campaign, the evacuation from Dunkirk and the first two years of the Battle of the Atlantic. The text is meticulously researched, and is rooted in a detailed study of wartime records, both British and German. [see more
How to cite this article: Rickard, J (28 December 2007), 22 May 1940, http://www.historyofwar.org/secondworldwar/date/1940_05_22.html