• 1992 – 386BSD is released by Lynne Jolitz and William Jolitz beginning the Open Source operating system revolution. Linus Torvalds releases his Linux soon afterwards.


• 2000 – A powerful solar flare, later named the Bastille Day event, causes a geomagnetic storm on Earth.

• 2015 – NASA's New Horizons probe performs the first flyby of Pluto, and thus completes the initial survey of the Solar System.

• 2015 – Death day of M. S. Viswanathan, Indian singer-songwriter and actor (Birth : 1928)