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 Wright Brothers were granted a patent for their 'flying machine' after applying for it three years earlier.
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.
The Humorous Phases of Funny Faces by James Stuart Blackton became the world's first animation.
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.
A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.