1925 – John Logie Baird gave his first public demonstration of his ‘Silhouette Television’ at the Selfridges department store, Oxford Street, London. It was part of the store’s birthday celebration.
http://www.vox.com/2015/3/25/8285977/mechanical-television/
1979 – The first fully functional space shuttle orbiter, Columbia, was delivered to the John F. Kennedy Space Center in preparation for its first launch.
http://spaceflight.nasa.gov/shuttle/reference/basics/history/index.html
1995 – Ward Cunningham installed the First Wiki, WikiWikiWeb on a $300 computer someone gave him. He connected it to the Internet, using a 14.4-baud dial-up modem.
2014 – Facebook announced it would purchase Oculus VR, makers of the Oculus Rift virtual reality headset, for $2 billion.
http://time.com/37842/facebook-oculus-rift//
Read Tom’s science fiction and other fiction books at Merritt’s Books site.