- Feb 20 UK Foreign Secretary Anthony Eden resigns stating Prime Minister Neville Chamberlain has appeased Nazi Germany
- Jun 30 Superman 1st appears in DC Comics' Action Comics Series issue #1
- Sep 28 Homer in the Gloamin' - famous walk-off home run hit by Gabby Hartnett of the Chicago Cubs against the Pittsburgh Pirates
DuPont announces its new synthetic polyamide fiber will be called "nylon"
On October 27, 1938