President Franklin D. Roosevelt called it "a day which will live in infamy."
Seventy-one years ago on Sunday, Dec. 7, 1941, the naval base at Pearl Harbor, Hawaii was attacked by Japanese forces. More than 2,400 Americans were killed and more than 1,100 were wounded in the surprise attack.
The next day, the United States declared war on Japan and entered World War II.
In Peabody, the city doesn't hold a formal ceremony to mark the date each year, but an annual Pearl Harbor Commemoration Mass is held at St. Adelaide's on Sunday for veterans.
Veterans Agent Chris Tighe says veterans will gather at 8:15 a.m. outside the church, the ceremony itself begins at 8:30 a.m.
Following the service, veterans will process outside the church, bearing their flags.
"It's one of the most touching services I've been to," Tighe said.