80 Years Ago—May 25, 1940: Germans take Boulogne, France.
British troops are ordered to retreat to Dunkirk.
First clinical use of penicillin: Howard Florey successfully treats mice.
The Golden Gate International Exposition opens on Treasure Island in San Francisco Bay, will run through September 29.
75 Years Ago—May 25, 1945: Last major US B-29 fire raid on Tokyo; in the campaign, 50% of city has been burned. Imperial Palace is hit in the B-29 raid, just missing Emperor Hirohito and his family.
Heavy kamikaze attack off of Okinawa sinks two US ships and damages eight ships.
Movie premiere of The Clock, starring Judy Garland & Robert Walker.