Diary for Thursday, May 23, 1940:
Germans cross river Scheldt at Oudenarde. BEF in Belgium put on half-rations following loss of supply depots.
Six British destroyers evacuate 4,400 troops from Boulogne, under heavy fire. French destroyers Jaguar and Drage sunk.
18 Latecoere seaplanes dive-bomb bridges and road junctions between Boulogne and the Somme. Me 109 Es shoot down three.
Britain: Sir Oswald Mosley, leader of British Union of Fascists, and Captain Ramsay, president of Right Club and Conservative MP for Peebles, arrested. 76 IRA men arrested in North Ireland.