<1940: Gold rush increases population

1940s: Soldiers from WW2 increases population (nice weather, beaches and mountains.)

1950s: High funding in the area, to support research for the Cold war nuclear program

1960s: The Vietnam war, and NASA innovations created a cluster of chip manufactures

1970s: First drawback, because of the oil crisis

1980s: Apple and the PC and semiconductor & Biotech boom.

1990s: Internet boom

2000s: Dot.com bubble  burst

The Valley came back stronger after stagnation in growth both in 1970 and 2000. First with the Apple and PC revolution, second with Web 2.0 and nano technology.

*Taken from the presentation of Sheridan Tatsuno

I hope you like that post!