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Allies
also known as the triple entente consisted of France, Britain, and Russia -
Central Powers
consisted of Germany, Austsria-Hungary, Ottoman Empire -
1914 Assassination of Archduke Franz Ferdinand
the Archduke was the heir to the Austrian-Hungarian throne and was on a trip to Sarajevo. Serbian nationalist Gavrilo Princip stepped from the crowd and shot the Archduke and his wife Sophie. Princip was a member of the Black Hand, an organization promoting Serbian nationalism. The assassinations touched off a diplomatic crisis. On July 28, Austria-Hungary declared what was expected to be a short war against Serbia -
Schlieffen Plan
On August 3, 1914, Germany invaded Belgium, following a strategy known as the Schlieffen Plan. This plan called for a holding action against Russia, combined with a quick drive through Belgium to Paris; after France had fallen, the two German armies would defeat Russia. As German troops swept across Belgium, thousands of civilians fled in terror. In Brussels, the Belgian capital, an American war correspondent described the first major refugee crisis of the 20th century. -
Sinking of British liner Lusitania
One of the worst disasters occurred on May 7, 1915, when a U boat sank the British liner Lusitania off the southern coast of Ireland. Of the 1,198 persons lost, 128 were Americans. The Germans defended their action on the grounds that the liner carried ammunition. Despite Germany’s explanation, Americans became outraged with Germany because of the loss of life. American public opinion turned against Germany and the Central Powers -
Sinking of British liner Arabic
a U-boat sank another British liner, the Arabic, drowning two Americans. Again the United States protested, and this time Germany agreed not to sink any more passenger ships. -
Sinking of French passenger liner Sussex
in March 1916 Germany broke its promise and torpedoed an unarmed French passenger steamer, the Sussex. The Sussex sank, and about 80 passengers, including Americans, were killed or injured. Once again the United States warned that it would break off diplomatic relations unless Germany changed its tactics. Again Germany agreed, but there was a condition: if the United States could not persuade Britain to lift its blockade against food and fertilizers, Germany would consider renewing unrestricted -
Battle of the Somme
the British suffered 60,000 casualties the first day alone. Final casualties totaled about 1.2 million, yet only about seven miles of ground changed hands. This bloody trench warfare, in which armies fought for mere yards of ground, continued for over three years -
Zimmerman Note
a telegram from the German foreign minister to the German ambassador in Mexico that was intercepted by British agents. The telegram proposed an alliance between Mexico and Germany and promised that if war with the United States broke out, Germany would support Mexico in recovering “lost territory in Texas, New Mexico, and Arizona.” -
Committee on Public Information
To popularize the war, the government set up the nation’s first propaganda agency, the Committee on Public Information (CPI). The head of the CPI was a former muckraking journalist named George Creel. -
Selective Service Act of 1917
To meet the government’s need for more fighting power, Congress passed the Selective Service Act in May 1917. The act required men to register with the government in order to be randomly selected for military service. By the end of 1918, 24 million men had registered under the act. Of this number, almost 3 million were called up. About 2 million troops reached Europe before the truce was signed, and three fourths of them saw actual combat. -
Convoy System
a heavy guard of destroyers escorted merchant ships back and forth across the Atlantic in groups. By fall of 1917, shipping losses had been cut in half. -
War Industries Board
main regulatory body. The board encouraged companies to use mass-production techniques to increase efficiency. It also urged them to eliminate waste by standardizing products—for instance, by making only 5 colors of typewriter ribbons instead of 150. The WIB set production quotas and allocated raw materials -
Second Battle of the Marne
The Americans arrived just in time to help stop the German advance at Cantigny in France. Several weeks later, U.S. troops played a major role in throwing back German attacks at Château-Thierry and Belleau Wood. In July and August, they helped win the Second Battle of the Marne. The tide had turned against the Central Powers. In September, U.S. soldiers began to mount offensives against the Germans at Saint-Mihiel and in the Meuse Argonne area -
Food Administration
To help produce and conserve food, Wilson set up the Food Administration under Herbert Hoover. Instead of rationing food, he called on people to follow the “gospel of the clean plate.” He declared one day a week “meatless,” another “sweetless,” two days “wheatless,” and two other days “porkless.” Restaurants removed sugar bowls from the table and served bread only after the first course. -
National War Labor Board
To deal with disputes between management and labor, President Wilson established the National War Labor Board in 1918. Workers who refused to obey board decisions could lose their draft exemptions. “Work or fight,” the board told them. However, the board also worked to improve factory conditions. It pushed for an eight-hour workday, promoted safety inspections, and enforced the child labor ban -
Espionage and Sedition Acts
Under the Espionage and Sedition Acts a person could be fined up to $10,000 and sentenced to 20 years in jail for interfering with the war effort or for saying anything disloyal, profane, or abusive about the government or the war effort. -
Austria-Hungary surrenders to the Allies
On November 3, 1918, Austria-Hungary surrendered to the Allies. That same day, German sailors mutinied against government authority. The mutiny spread quickly. Everywhere in Germany, groups of soldiers and workers organized revolutionary councils. -
Establishment of the German Republic
On November 9, socialist leaders in the capital,
Berlin, established a German republic. The kaiser gave up the throne. -
Cease-fire and armistice
Germany agreed to a cease-fire and signed the armistice, or truce, that ended the war