World War 1 By Skaalenk Period: 1870 to 1920 World War 1 1871 Germany Unified 1871 Austrian-Hungary Empire Defeated in 1871 1871 Germany Establishes Protectorate In Austria-Hungary. 1890 Otto-Van-Bismark Gives up Rule of Germany 1894 Russia And France Establish Alliance. 1899 Germany Rushes to Industrialize 1900 Russia Establishes Protectorate Over Mongolia 1904 Trans Siberian Railroad Completed Period: 1904 to 1905 Russo-Japanese War Period: 1904 to 1916 The United States Takes Control of Any Unstable Latin American Countries 1907 Triple Entente Created 1910 Korea Becomes Japanese Colony 1914 Germany And Prussia Become Most Powerful In Europe 1914 Franz Ferdinand Is Assassinated Period: 1914 to 1918 Warfare 1915 Bulgaria Joins the Central Powers 1915 Italy Joins Allies 1917 Russia Leaves War 1917 US joins War Period: 1919 to 1920 Treaty Negotiations