- Oct 1 After a one-month Siege of Warsaw, hostile forces entered the city.
The Enigma of Russia
Oct 1 Winston Churchill calls Russia a "riddle wrapped in a mystery inside an enigma"
- Oct 2 Prototype for the Ilyushin Il-2, world's most-produced military airplane designed by Sergey Ilyushin, takes it first flight. Over 36,000 made for Soviet airforce in WWII.
- Oct 2 Revival of Sidney Howard's Pulitzer Prize-winning 1924 stage drama "They Knew What They Wanted", opens at the Empire Theatre, NYC; runs for 24 performances
- Oct 3 Lemmer-Urk Dike closes
- Oct 4 Last Polish troops surrender
Hitler's Deception
Oct 6 WWII: Adolf Hitler speech at the Reichstag celebrates the defeat of Poland, offers peace to France and England, and mentions need for "settlement of the Jewish problem" [1]
- Oct 6 WWII: Last Polish troops surrender to Soviet army
- Oct 8 Baseball World Series: NY Yankees beat Cincinnati Reds, 7-3 at Crosley Field for 4-0 sweep; Yankees 4th straight WS title
- Oct 8 Germany annexes Western Poland
Bucky Harris
Oct 11 Bucky Harris signs to manage Washington again
Einstein's Letter
Oct 11 FDR and advisor Alexander Sachs meet to discuss Albert Einstein's letter warning of the possibilities of an atomic bomb [1]
- Oct 11 NAACP organized Legal Defense & Education Fund
Skylark
Oct 11 Samson Raphaelson's play "Skylark" starring Gertrude Lawrence premieres in NYC
- Oct 16 Sugar rationing begins in the Netherlands
Mr. Smith Goes to Washington
Oct 17 "Mr. Smith Goes to Washington", directed by Frank Capra and starring James Stewart and Jean Arthur, is released
Too Many Girls
Oct 18 Richard Rodgers and Lorenz Hart's musical "Too Many Girls" opens at the Imperial Theatre, later transferring to the Broadway Theatre, NYC; runs for 249 performances
Goering Begins Plunder
Oct 19 Hermann Goering begins plunder through Nazi's occupied areas
All the Things You Are
Oct 20 "All the Things You Are" recorded by Tommy Dorsey Orchestra
- Oct 21 Revival of Sidney Howard's Pulitzer Prize-winning 1924 stage drama "They Knew What They Wanted", closes at the Empire Theatre, NYC; after 24 performances
- Oct 22 NBC becomes first network to televise a pro football game; Brooklyn Dodgers beat Philadelphia Eagles, 23-14 at Brooklyn's Ebbets Field
Let's Dance
Oct 24 Benny Goodman records "Let's Dance"
DiMaggio Wins MVP
Oct 24 Joe DiMaggio wins AL MVP, Jimmie Foxx is runner-up
- Oct 24 Nylon stockings go on sale for first time (Wilmington, Delaware)
- Oct 25 William Saroyan's "Time of Your Life" premieres in NYC
- Oct 26 Polish Jews forced into obligatory work service
- Oct 28 Anti-German demonstrations and strikes in Czechoslovakia
- Oct 28 Spitfire shoots German Heinkel-111 down above Scotland
The Roaring Twenties
Oct 28 Warner Bros, releases gangster film "The Roaring Twenties", directed by Raoul Walsh, starring James Cagney and Humphrey Bogart
- Oct 29 Golden Gate International Exposition closes (1st closure)
- Oct 29 NHL Babe Seibert Memorial Game: All-Stars beat Montreal 5-3
- Oct 30 German U boat fails attack of English battleship Nelson with Winston Churchill, Dudley Pound & Charles Forbes aboard
- Oct 30 USSR & Germany agree on partitioning Poland, Adolf Hitler deports Jews