President:
Pres: Franklin D. Roosevelt
General
- Business: Coal strike by United Mine Workers demonstrates power of John L Lewis
- Communication: US Transatlantic air mail begins
- Entertainment: Bluegrass first heard at the Grand Ole Opry
"The Wizard of Oz" debuts on film
"Grandma Moses" becomes famous in US (Anna M Robertson)
Popular songs include "God Bless America", "Three Little Fishes", "Over the Rainbow", "Beer Barrel Polka", "I'll Never Smile Again"
- Finance: After 1938 recession US economy begins to recover and by autumn is booming from orders of European orders for war supplies
- Law: US Supreme Court rules sitdown strikes are illegal
- Military: Neutrality Act of 1937 amended
US declares neutrality for WWII
Einstein convinces FDR to build the bomb
Roosevelt asks Congress for $552 million for defense and demands assurances from Hitler and Mussolini that they will not attack
- Sports: First televised sporting event
Battle of River Plate in Americas, - Battle of Plate Fiver in South Atlantic is real action of war
East
Midwest
- Iowa: Speech pathologist Dr Wendell Johnson performs "Monster Experiment" at U of Iowa on 22 children by putting them under extreme pressure invoking heavy stuttering
South
West and Pacific
- California: The "El Cordonazo" tropical storm hits between Los Angeles and San Diego