 Albert Einstein proposes Theory of Relativity.
 Upton Sinclair's The Jungle exposes dangerous and unsanitary practices in the meatpacking industry.
 Groucho Marx debuts as a vaudeville singer.
 In Lochner v. New York, the Supreme Court rules unconstitutional a limit on the maximum number of hours a person can work.
 The U.S. Forest Service is created, and Gifford Pinchot, later to become governor of Pennsylvania, is its first director.
 Nineteen states now have a central road agency.
 California becomes a model in separating state-local revenue sources, leaving property taxes within the purview of local governments.
 Colorado has three Governors in one day in a political squabble.
 Former Idaho Governor Frank Steunenberg is killed by a bomb, an act for which famed union organizer "Big Bill" Haywood of the Western Federation of Miners is among the accused but is acquitted with the representation of Clarence Darrow. |