- 1790 – The first boat specializing as a lifeboat is tested on the River Tyne.
- 1820 – Edward Bransfield sights the Trinity Peninsula and claims the discovery of Antarctica.
- 1826 – The Menai Suspension Bridge, considered the world’s first modern suspension bridge, connecting the Isle of Anglesey to the north West coast of Wales, is opened.
- 1847 – Yerba Buena, California is renamed San Francisco.
- 1982 – Richard Skrenta writes the first PC virus code, which is 400 lines long and disguised as an Apple boot program called “Elk Cloner”.