In Detective Comics #27, DC Comics publishes its second major superhero, Batman, who becomes one of the most popular comic book characters of all time, and then a popular camp television series starring Adam West, and lastly a multi-million dollar movie franchise starring Michael Keaton, then George Clooney, and finally Christian Bale.

British scientists James D Watson and Francis Crick publish an article detailing their discovery of the existence and structure of deoxyribonucleic acid, or DNA, in Nature magazine. Their findings answer one of the oldest and most fundamental questions of biology, that of how living things reproduce themselves.

Soviet cosmonaut Vladimir Komarov dies in Soyuz 1 when, during re-entry into Earth's atmosphere after more than ten successful orbits, the capsule's main parachute fails to deploy properly, and the backup chute becomes entangled in the first. The capsule's descent is slowed, but it still hits the ground at about 90 mph, at which point it bursts into flames. Komarov is the first human to die during a space mission.

Austro–Hungarian film director Otto Preminger, who directed such eternal classics as Laura, Anatomy of a Murder, Carmen Jones, The Man with the Golden Arm, and Stalag 17, and for his efforts earned a star on Hollywood's Walk of Fame, dies in New York City, aged 80, from cancer and Alzheimer's disease.

The convicted assassin of American civil rights leader Martin Luther King, Jr., petty criminal James Earl Ray, dies in prison of hepatitis aged 70, protesting his innocence as he had for decades. Members of the King family who supported Ray's fight to clear his name believed the U.S. Government had been involved in Dr. King's killing, but with Ray's death such questions became moot.