The Holy Roman Empire is officially dissolved by Emperor Francis II after Napoleon's victory at the Battle of Austerlitz. Francis II abdicated the imperial crown, ending an empire that had existed for over a millennium.
William Kemmler becomes the first person to be executed by electric chair at Auburn Prison in New York. The execution was heavily botched, taking multiple shocks and filling the room with a burning smell.
An American actress, comedian, and producer, best known for her titular role in the groundbreaking sitcom 'I Love Lucy.' She was instrumental in the creation of the modern television sitcom format and co-founded Desilu Productions.
The United States drops the first atomic bomb, "Little Boy," on the Japanese city of Hiroshima. The blast kills an estimated 80,000 people instantly, and tens of thousands more die from radiation exposure.
British computer scientist Tim Berners-Lee posts a short summary of his World Wide Web project to an online newsgroup. This is often considered the public debut of the internet as we know it today.