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California Gold Rush
James W. Marshall finds gold at Sutters Mill in Coloma, California. -
Construction of the Washington Monument
The building of the monument begins in Washington, D.C. -
Mexican-American War
War between Mexico and America where Mexico gives up what is know as the Southwestern United States, to the U.S. -
Publishment of "Communist Manifesto"
Published by Karl Marx and Friedrich Engels in London. -
Hungarian Revolution
Revolt against Hungarians People's Republic and its Soviet-imposed policies. -
German Revolutions
Fighting between Revolutionaries and Royalist forces sparks the German Revolutions lasting until 1849. -
The Public Health Act
Establishes boards of health across England and Wales, and was the nation's first Public Health Law. -
The First German National Assembly
Opens in Frankfurt, Germany. -
Treaty of Guadalupe Hidalgo
Ends Mexican-American War, and is ratified by the Mexican Government.