In 1926 – Robert Goddard conducted his first successful launch of a liquid-fueled rocket in Auburn, Massachusetts.
In 1999 Sony released Everquest the Massively multiplayer 3D world where you could play as a wizard, rogue or knight. It followed two years after Ultima Online would be followed several years later by World of Warcraft.
In 1999 – Mac OS X Server 1.0, the highly-anticpated precursor of OS X desktop version (code name Hera) was released.