Franklin D. Roosevelt became the first and last US President to serve four terms.
Medal of Honor was awarded posthumously to Theodore Roosevelt Jr for his help on D-Day.
American forces landed on Guam during WWII, which started the Second Battle of Guam.
The US executed an innocent 14-year-old African American teen for the murder of two white girls.
Alaska Airlines started operating.
Going My Way, starring Bing Crosby, premiered in New York.
The US Air Force accidentally bombed the Swiss city of Schaffhausen.
U.S. bombers attack German aircraft manufacturing centers, in a bombing campaign that became known as the 'Big Week'.
Researchers at Rutgers University in New Jersey, US, isolated Streptomycin, which became the first antibiotic remedy for tuberculosis (TB).
Palermo, Sicily was liberated by US forces.
President Franklin Roosevelt became the first president to travel abroad during war.
US President Franklin D. Roosevelt dedicated the Jefferson Memorial to Thomas Jefferson.
The US Air Force accidentally bombed the Belgian town of Mortsel.
American movie studio executives allowed the Office of War Information to review their scripts.
President Franklin D. Roosevelt signed a 48-hour working week order to increase production during World War II.
The New York Times published a government message that the US would be rationing shoes.
World record for fastest temperature change.
Construction of The Pentagon was completed.
US President Franklin D. Roosevelt arrived in Morocco, where he met British Prime Minister Winston Churchill to discuss allies during World War II.
The world's first self-sustaining nuclear chain reaction happened in Chicago Pile-1 at the University of Chicago. It was overseen by Enrico Fermi.
The American drama movie 'Now, Voyager' premiered in New York City, US.
Boeing B-29 Superfortress flies for the first time.
The United States Congress formally recognized the Pledge of Allegiance and added it to the Federal Flag Code.
The US Women's Army Auxiliary Corps (WAAC) was formed.
United States civilians received ration books for the first time.
Anne Miller became the first American patient to be treated with penicillin.
The US army enlisted its first female colonel, Julia Flikke.
Daylight Saving started in the US.
Voice of America, the US' official external radio and television service, began broadcasting.
Pan American Airlines completed its first round the world commercial trip.
The Duquesne Spy Ring, a Nazi German espionage network, was sentenced to prison.
President Franklin D. Roosevelt signed a bill establishing the fourth Thursday in November as Thanksgiving Day in the US.
The US Office of Censorship was created to control info relating to World War II.
Germany declares war on the United States.
President Franklin D. Roosevelt delivered his 'Day of Infamy' speech to the US Congress – a day after the bombing of Pearl Harbor.
Pearl Harbor was attacked.
Japanese Emperor Hirohito approved plans set forward by his advisors to go to war against the United States of America.
After 14 years of work, Mount Rushmore was completed.
Walt Disney's animated Dumbo was released in New York City, New York, US.
Washington National Airport became the US first federal airport.
Bob Hope performed his first United Service Organization show at California's March Field for service members and their families.
The National Gallery of Art opens in Washington. D.C.
Dr. Glenn T. Seaborg discovered the chemical element Plutonium.
Peruvian ambassador Ricardo Rivera-Schreiber gave a warning that Japan would attack Pearl Harbor.
California's first freeway, Arroyo Seco Parkway, officially opened to traffic.
Benjamin O. Davis Sr. became the first African American US Army brigadier general.
The first Dairy Queen restaurant opened in Joliet, Illinois, US.
The discovery of the chemical element Neptunium was announced.
The world's first Mcdonald's opened in San Bernardino, California.
Booker T. Washington became the first Black person pictured on a US postage stamp.
