A day that will live in infany?

"A day that will live in infamy" refers to December 7, 1941, when Japan launched a surprise attack on Pearl Harbor, leading the United States to enter World War II. President Franklin D. Roosevelt famously used this phrase in his speech to Congress the following day, emphasizing the shock and gravity of the attack. This moment marked a significant turning point in American history, galvanizing public support for the war effort and shaping the nation's future. The phrase has since become synonymous with unexpected and pivotal events in history.