-
Nov 30, 1280
eye glasses were invented
-
Apr 30, 1350
Suspension bridges built in Peru
-
May 30, 1450
Alphabetical printing press invented
-
Sep 30, 1500
ball bearing invented by Leonardo Da Vinci
-
Dec 30, 1510
Pocket Watch invented by Peter Henlien
-
Apr 30, 1581
Pendulum invented by Galileo
-
thermometer invented by galileo
-
telescope invented by Peter Henlien
-
first microscope invented by Galileo
-
vacuum pump invented by Otto Van geuricke
-
steam engine invented by Thomas Savery
-
Lightning rod Invented by Benjamin Franklin
-
Optical disc invented by david Paul Gregg
-
computer mouse invented by douglas Engelbart
-
Videogame console invented by Ralph H. Baer
-
Google search aunched by Google
-
Facebook launched by Mark Zuckerberg
-
Youtube invented by Paypal
-
Xbox 360 invented by Microsoft
-
Playstation 3 invented by Sony