http://www.computer50.org/
1981 – IBM retired the last of its “STRETCH” mainframes. These mainframes were part of the 7000 series that made up the company’s first transistorized computers.
http://www.edn.com/electronics-blogs/other/4375893/IBM-retires-7030–STRETCH–computer–June-21–1981
2004 – SpaceShipOne became the first privately developed piloted vehicle to leave Earth’s atmosphere and reach the edge of space.
https://airandspace.si.edu/collection-objects/spaceshipone
Read Tom’s science fiction and other fiction books at Merritt’s Books site.