6. World War II (Against Japan, 1941)
On December 8, 1941, following Japan’s surprise attack on Pearl Harbor, President Franklin D. Roosevelt addressed Congress, declaring December 7th as “a date which will live in infamy.” His speech galvanized the nation, leading to a swift declaration of war against Japan. Roosevelt’s call to action unified the American public, marking a pivotal moment in U.S. history. For the full text of the speech, visit the National Archives: (archives.gov). For a comprehensive timeline of World War II, refer to the National WWII Museum’s resource:



