Project Diana bounces radar waves off the Moon, measuring the exact distance between the Earth and the Moon, and proves that communication is possible between Earth and outer space, effectively opening the Space Age.
ENIAC (for "Electronic Numerical Integrator and Computer"), an early general-purpose electronic computer, is unveiled at the University of Pennsylvania; it weighs 60,000 pounds (over 27 tons), and occupies a big room.
Ion Antonescu, prime minister and "Conducator" (Leader) of Romania during World War II, is executed; he was found guilty of betraying the Romanian people for benefits of Germany and sentenced to death by the Bucharest People's Tribunal.
Laurence Olivier's Henry V opens in the United States, nearly 2 years after its release in England. It is the first Shakespeare film in color, and critics hail it as the finest film of a Shakespeare play ever made.