In Monaco, upon upon the death of Prince Louis II, twenty-six year old Rainier Louis Henri Maxence Bertrand Grimaldi, aka Rainier III, is crowned Prince of Monaco. Rainier later becomes an international household name by marrying American cinema sweetheart Grace Kelly in 1956.

After having told a gathering of science fiction writers two years earlier that the best way to become a millionaire was to start a new religion, American author L. Ron Hubbard publishes Dianetics: The Modern Science of Mental Health. The book is today one of the canonical texts of Scientology, referred to as "Book One", and its publication date serves as the first day of the Scientology calendar, making today the beginning of year 52 AD (After Dianetics).

American science fiction and pulp writer Theodore Sturgeon, who pioneered a technique known as rhythmic prose, in which his text would drop into a standard poetic meter, dies from lung fibrosis, which may have been caused by his smoking, but also might have been caused by his exposure to asbestos during his years as a Merchant Marine.

At Reims, France, German General Alfred Jodl signs unconditional surrender terms, thus ending Germany's participation in World War II. Jodl is then arrested and transferred to the German POW camp Flensburg, and later he is made to stand before the International Military Tribunal at the Nuremberg Trials. At the conclusion of the trial, Jodl is sentenced to death and hanged as a war criminal.

In Vietnam, the Battle of Dien Bien Phu, which had begun two months earlier, ends in a French defeat. The United States, as per the Mutual Defense Assistance Act, gave material aid to the French, but were only minimally involved in the actual battle. By 1961, however, American troops would begin arriving in droves, and within several years the U.S. would be fully embroiled in war.