1970's Kraftwerk/Parliament Funkadelic/George Clinton
1982 - Juan Atkins, aka Cybotron - along with the futurism of the time and the Korg MS20 Synth.
1985-1988 - Chicago house was also happening influenced by disco.
1985-1988 - Juan Atkins influenced Derrick May and Kevin Saunderson in Detroit (all of them were also known as the Belville Three). Detroit techno was born.
1988 - Acid house was the new Chicago thing. Phuture are said to have produced the first 303 record 'Acid Tracks'. But like with anything in the USA, this is open to debate lol.
1989 - Garage took over in NY, influenced by the house sound. But Nu Groove etc also started to produce a more techy sound.
1988-1990 Techno came to Europe in a big way but kicked off in Belgium (R&S/Ferrari Records who did the newbeat thing were heavily influenced by the New York thing at first)
1989/90 - R&S (Belgium) released CJ Bolland/Joey Beltram and eventually Aphex Twin (the whole electronica movement). We also had Frank De Wulf etc. The sound spread to Holland
1989 - Holland took hold of techno and eventually created Gabber.
1989 - UK took hold of techno and eventually made hardcore.