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Trench Warfare
Trench warfare is a type of land warfare using occupied fighting lines consisting largely of trenches, in which troops are significantly protected from the enemy's small arms fire and are substantially sheltered from artillery. The most famous use of trench warfare is the Western Front in World War I. It has become a byword for stalemate, attrition, sieges and futility in conflict. -
Sinking of Lusitania
As Germany waged submarine warfare against the United Kingdom of Great Britain and Ireland. The ship was identified and torpedoed by the German U-boat -20 and sank in 18 minutes. -
Zimmerman Note
The Zimmermann Telegram (or Zimmermann Note) was an internal diplomatic communication issued from the German Foreign Office early in 1917 that proposed a military alliance between Germany and Mexico in the event of the United States entering World War I against Germany. The proposal was intercepted and decoded by British intelligence. -
Espionage and Sedition Act
Soon after the US entered World War I, the Espionage Act prohibited people from publishing opinions that would interfere with the US military’s efforts to defeat Germany and its allies. A year later,Congress amended the law with the Sedition Act of 1918, which made it illegal to write or speak anything critical of American involvement in the war. -
Spanish Flu
The 1918 flu pandemic was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus. It infected 500 million people around the world -
Fourteen Points
Fourteen Points is a blueprint for world peace that was to be used for peace negotiations after World War I, elucidated in a January 8, 1918, speech on war aims and peace terms by U.S. President Woodrow Wilson. -
Treaty of Versailles
The Treaty of Versailles was one of the peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers mainly United States, British Empire, France, Italy, Japan, and other Allied Powers. -
Women
Ratified on August 18, 1920, the 19th Amendment to the U.S. Constitution granted American women the right to vote—a right known as woman suffrage. At the time the U.S. was founded, its female citizens did not share all of the same rights as men, including the right to vote. Women's work in WW1. During WWI (1914-1918), large numbers of women were recruited into jobs vacated by men who had gone to fight in the war.
