National Pearl Harbor Remembrance Day is observed annually on December 7th to honor the lives lost during the surprise attack on Pearl Harbor in Hawaii in 1941. This day serves as a reminder of the impact of World War II and the importance of peace and unity. On this day, various ceremonies and events take place, including moments of silence and the laying of wreaths at memorials. Many people reflect on the sacrifices made by the U.S. military and civilians during the attack, which led to the United States' entry into the war.