Harley Davidson was founded in 1901 by William S. Harley and Arthur Davidson in Milwaukee, Wisconsin when Harley designed a 116cc engine and attached it to a bicycle frame.
In 1903, the first real motorcycle was created with a 405cc engine.
In 1905, they began selling their engines to people via magazine advertisements.
In 1906, a factory was built on Chestnut Street.
Harley-Davidson provided about 15,000 motorcycles to the war effort in WWI.
By 1920, Harley-Davidson was the largest motorcycle manufacturer in the world.
Harley-Davidson was one of only 2 American motorcycle manufacturers to survive the great depression.
The company has undergone several sales and many changes since WWII.
Today, the company produces over 150,000 motorcycles per year and enjoys a very high brand loyalty. The Harley-Davidson corporate office is still located in Milwaukee.