- Roald Amundsen, Norwegian explorer, locates Magnetic North Pole.
- The San Francisco earthquake, estimated magnitude 7.8 killing at least 3,000.
- Upton Sinclair's novel The Jungle exposes the health threat of the meat-packing industry.
- English biochemist concludes that a lack of vitamins causes scurvy and rickets.
- The first German submarine, U-1, enters the German Imperial Navy.
- The first Victor Victrola, a phonographic record player, is manufactured.
Historical Highlights from 1906