What significant date is associated with the Japanese attack on Pearl Harbor?

The Japanese attack on Pearl Harbor occurred on December 7, 1941, marking a pivotal moment in World War II. This surprise military strike led to significant changes in U.S. foreign policy, as it prompted the United States to formally enter the war. The attack resulted in extensive damage to the U.S. Pacific Fleet and loss of life, galvanizing public opinion in favor of entering the global conflict. The date has since been memorialized in American history as a day of infamy, emphasized by President Franklin D. Roosevelt in his famous speech to Congress on December 8, 1941, which called for a declaration of war against Japan. Understanding this date is crucial in grasping the historical context of the United States' involvement in World War II. Other dates listed do not hold historical significance in relation to the attack itself or the subsequent events that followed.