In New Orleans, The Original Dixieland Jass Band records the first ever jazz record for the Victor Talking Machine Company in New York. The band was frequently billed as the "Creators of Jazz", but in reality all the members had previously played in the Papa Jack Laine bands, a group of racially mixed performers who helped form the basis of Dixieland while playing under bandleader George Laine.

The centuries-old state of Prussia, which had been a great European power under the reign of Frederick the Great during the 1800s, and a major influence on German culture, ceases to exist when it is dissolved by the post-WWII Allied Control Council comprised of the United States, the United Kingdom, and the Soviet Union.

Heavyweight boxer Cassius Clay, aged 22, becomes champion of the world after beating Sonny Liston, aka the Dark Destroyer, in one of the biggest upsets in boxing history. It would be the beginning of a storied and controversial career for Clay, who would announce to the world shortly after the fight that he had changed his name to Muhammad Ali.

The small German Workers' Party, or DAP, which was under the direction of Adolf Hitler, changes its name to the National Socialist German Workers' Party. Though Hitler adopted the socialist label to attract working class Germans, his party in fact embraced mainly anti-socialist ideas. The group became known in English as the Nazi Party, and within the next fifteen years expanded to become the most powerful force in German politics.

A object flying over wartime Los Angeles triggers a massive anti-aircraft barrage, ultimately killing 3 civilians. Initially the target of the aerial barrage is thought to be an attacking force from Japan, but it is later suggested to be imaginary and a case of "war nerves", a lost weather balloon, a blimp, a Japanese fire balloon, or even an extraterrestrial craft. The true nature of the object or objects remains unknown to this day, but the event is known as the Battle of Los Angeles.