The famous Great White Fleet left San Francisco to continue its around-the-world journey.
The Morse code distress signal 'SOS,' originating from Germany, became the world's official message for help.
An unidentified object thought to be a meteoroid or comet smashed into a remote forest in Siberia and destroyed 21,528 square feet of land.
Engineers make the first major oil find in the Middle East.
Mother's Day was officially celebrated for the first time in Grafton, West Virginia.
A Dutch scientist named Heike Kamerlingh Onnes announced he was able to create solid helium.
King Carlos I of Portugal and his heir were assassinated in Lisbon.
New York City passed a law prohibiting women from smoking in public places.
The first long-distance radio message is broadcast from the Eiffel Tower in Paris.
The Grand Canyon National Monument was created.
The New Year's Eve Ball was lowered in New York Times Square for the very first time.
Oklahoma became the 46th state to join the United States of America.
The Great White Fleet began its worldwide navigation.
French engineer Paul Cornu flew his first helicopter in Normandy.
King Edward VII was gifted with The Cullinan Diamond (the world's largest diamond) on his 60th birthday.
Quebec Bridge in St Lawrence, Canada, collapsed after four years of construction.
Sir Robert Baden-Powell established the Boys Scouts in England.
Autochrome Lumière color photography is introduced.
Charles Curtis started his six-year term as the first Native American US Senator.
Maria Montessori opens her first school.
The London Underground's Great Northern, Piccadilly and Brompton Railway opened.
The first historically Black intercollegiate Greek-lettered fraternity, Alpha Phi Alpha, was founded.
Theodore Roosevelt became the first US president to visit another country while in office, visiting Puerto Rico and Panama.
The International Radiotelegraph Conference in Berlin selected 'SOS' (· · · – – – · · ·) as the global standard for radio distress calls.
Black soldiers were blamed for raiding a bar in Brownsville, Texas, US.
The United States Congress passed the Meat Inspection Act and Pure Food and Drug Act.
The first Grand Prix car race is held.
The 1906 Olympic Games begin in Athens.
A devastating earthquake in San Francisco destroyed over 80% of the city.
The first person in the world to be diagnosed with Alzheimer's died.
Mount Vesuvius volcano erupted, devastating Naples in the process.
In France, 1,099 miners lost their lives in what is known as Europe's worst mining disaster.
Kellogg's Foods was founded in Kalamazoo, Michigan, USA.
A trade union was founded that later became the current British Labor Party.
The HMS Dreadnought battleship was christened.
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.
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.
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.'
The original stage production of Peter Pan took place in London, England.
American businessman King Camp Gillette was granted his patent for the safety razor.
Fingerprinting was first officially used in the US in a St. Louis police department.
Construction on the world's longest railway in Russia was completed.
The International Federation of Association Football was founded in Paris.
