On April Fools’ Day, Apple Computer Company is founded in a residential garage by Steve Jobs and Stephen Wozniak, both college drop-outs. Fearing financial ruin, the third co-founder—Ronald Wayne—relinquishes his 10 percent stake in the partnership for only $800 less than two weeks later.

Honorable Mention Markkula Writes Business Plan: In November, chip industry veteran Mike Markkula helps Jobs write a business plan, predicting sales of $500 million in 10 years.