With the Gold Rush came a huge increase in population and a pressing need for civil government. In 1849, Californians sought statehood and, after heated debate in the U.S. Congress arising out of the slavery issue, California entered the Union as a free, nonslavery state by the Compromise of 1850.
The assassination of Archduke Franz Ferdinand in Sarajevo on 28th June 1914, it triggered a chain of events that resulted in World War 1. After the assassination, Austria-Hung. During the conflict, Germany, Austria-Hungary, Bulgaria and the Ottoman Empire (the Central Powers) fought against Great Britain, France, Russia, Italy, Romania, Japan and the United States (the Allied Powers). World War 1 lasted from From August 1st 1914 to 11 November 1918. It lasted 4 years.
The humans stopped being nomadic hunter-gatherers and were able to make their own food, instead of chasing it down, and cultures were able to be established. Mesopotamia is one example; nomadic tribes can together, learned to farm, and established a culture(and later a civilization).
