This is a timeline.
Thomas Edison invented the lightbulb.
Nikola Tesla invented the Electric Alternator which sent an alternatiing current to power an object.
Nikola Tesla invented the Tesla Coil.
John Logie Baird first introduced the T.V.
The video game Pac-Man was first released in Japan.
Microsoft invented the X-box 360.
Sony Computer Entertainment made the PS3.
Apple released the iPhone 1st generation.
Beats Electronics was founded in 2008.
Apple released the iPad 1st generation.