1900 The Gold Standard Act is Ratified by Congress 1901 Dr. Walter Reed Discovers Yellow Fever is Transmitted by Mosquitoes 1901 McKinley is Shot and Theodore Roosevelt Becomes President 1902 140,000 Mine Workers Go Out on Strike 1902 The Government Passes the Newlands Reclamation Act 1903 Wright Brothers Fly at Kitty Hawk 1906 Upton Sinclair's Novel “The Jungle” is Published 1906 U.S. Takes Over Construction of the Panama Canal 1907 Frank Lloyd Wright Completes the Robie House in Chicago.