Warsaw Falls, Poland Surrenders, Sitzkrieg Starts

WED 27 SEP 1939
Warsaw falls; Poland surrenders unconditionally to Germany and the USSR. After the fall of Poland, the war on the western front degenerates into a stalemate, sometimes derisively called the sitzkrieg ("sitting war") after the blitzkrieg that had crushed Polish resistance in September.

Commandant of the Coast Guard informs Commander of the Boston Division that upon withdrawal of destroyers from the Grand Banks Patrol, the patrol will be maintained by two Campbell-class 327-foot cutters.

U.S. freighter Executive is detained by French authorities at Casablanca, French Morocco (see 29 September).