Frank Steunenberg, the former governor of Idaho, was assassinated outside his home.
The French parliament passed a law that fully separated all activities of the church and the state.
Telimco made the first-ever advertisement for a civilian radio set.
Photographer Alfred Stieglitz opened The Little Galleries of the Photo-Secession in Manhattan, New York.
The Russo-Japanese war ended with the official signing of the Treaty of Portsmouth.
The Battle of Tsushima occurred, in which a Japanese fleet destroyed the Russian East Sea fleet.
Las Vegas was officially founded.
Albert Einstein completed his doctoral thesis at the University of Zurich and was awarded a Ph.D.
The Kangra earthquake in India killed over 20,000 people.
Albert Einstein wrote his first paper on the Quantum Theory of Light.
British driver Arthur MacDonald was the first to break 100 miles per hour in an automobile at Daytona Beach, Florida, US.
After being unearthed in South Africa, a 3,106-carat diamond became the world's largest.
Russian soldiers attack unarmed demonstrators on this day that would later be known as 'Bloody Sunday.'
