During the twentieth century, Europe went through many changes in politics and trends. On June 28, 1914, Serbian revolutionaries assassinated Archduke Francis Ferdinand, the heir to the Austrian and Hungarian thrones, and his wife, Sophie. With Germany behind Austria-Hungary, Austria attacked Serbia on July 28th. The following day, Russia ordered full mobilization and in effect declared full all out war. Germany's plan was to knock out France by going through neutral Belgium and then taking out Russia. On August 2, 1914, Germany's plan to pass through neutral Belgium failed when Belgium refused to let German forces through. Germany intern attacked Belgium. On August 3rd,Great Britain joined forces with France, which started the First World War.
             A major social impact in Europe occurred during World War I. With almost all able-bodied men fighting in the trenches, this caused a great demand for workers. Jobs were available for everyone. This also brought about change for labor unions. The roll of women changed for the better during this time. Women basically took over the labor forces in Russia. In Great Britain, women were driving streetcars and buses. Women became more prominent in society. Showing up as mail carriers, bank tellers, and even police officers.
             In 1917, Russia went through two revolutions that cause Russia to with draw from the war. In March of 1917, the Duma declared a provisional government. A month later, Lenin returns from exile to denounce the provisional government. All social classes were in favor of this drastic move. It would create better wages for workers and more food. In 1920, Lenin's Red army retook Belorussia and the Ukraine.
             In the spring of 1918, Germany launched its last attack on France. With the United States backing Britain and France, the triple entente finally crushed German forces. In January of 1919, in Versailles, The Treaty of Versailles was signed...