Sea War
DUNKIRK EVACUATION (Operation Dynamo) begins. Zeebrugge harbor sabotaged by Royal Navy; 4 block ships sunk.
Air War
Spitfire Mk Is destroy 6 Me 109 Es and six Ju 87s over Dunkirk. Stukas pound British forces in Calais Citadel. Berlin falsely claims Calais has fallen. RAF bomb railway targets in Rhineland (night May 26-27).
Western Front
German ground and air forces crush stubborn British resistance in Calais Citadel. Hitler orders Rundstedt to resume advance by ‘armored groups and infantry divisions in direction Tournai-Dunkirk’.
German 6th Army launches powerful assault on Belgians holding Allied left flank. BEF sends reinforcements. French and Belgians withstand violent German attacks between Courtrai and Valenciennes. French recapture several bridgeheads over river Somme east of Amiens.
Home Fronts
Britain: General Sir Edmund Ironside appointed CinC Home Forces; General Sir John Dill appointed CIGS. Day of National Prayer.
Secret War
Admiral Schniewind, Chief of German Naval War Staff, predicts: ‘Evacuation of (BEF) troops without equipment …. is conceivable by means of large numbers of smaller vessels …. even from the open coast. ‘