World War 1

Causes of World War I

Militarism - Glorification of military power and buildup of armies and weapons.

Alliances - Agreements between countries to provide mutual support (e.g., Triple Alliance, Triple Entente).

Imperialism - Competition for colonies and resources created tension among European powers.

Nationalism - Intense pride in one’s nation, which heightened rivalries and led to the assassination of Archduke Franz Ferdinand.

Key Events of World War I

Assassination of Archduke Franz Ferdinand (1914) - Heir to the Austro-Hungarian throne was killed by a Serbian nationalist, sparking the war.

Schlieffen Plan - Germany’s strategy to quickly defeat France by invading through Belgium, leading to Britain joining the war.

Trench Warfare - Defensive strategy on the Western Front; characterized by stalemates and horrendous living conditions.

Battle of the Somme (1916) - One of the bloodiest battles, with over a million casualties; exemplified the brutality of trench warfare.

U.S. Entry into WWI (1917) - Caused by unrestricted submarine warfare by Germany and the Zimmermann Telegram, which proposed a German-Mexican alliance.

Key People

Archduke Franz Ferdinand - His assassination in Sarajevo triggered the war.

Kaiser Wilhelm II - Emperor of Germany during WWI; advocated aggressive foreign policies.

Woodrow Wilson - U.S. president during WWI; proposed the Fourteen Points and the League of Nations.

Vladimir Lenin - Leader of the Russian Revolution, who withdrew Russia from the war through the Treaty of Brest-Litovsk.

Technological Advancements

Machine Guns - Increased firepower, making traditional infantry charges devastatingly ineffective.

Poison Gas - Introduced by Germany; caused horrific injuries and deaths.

Tanks - Developed by the British to overcome trench warfare, though initially unreliable.

Submarines (U-boats) - Used by Germany to attack Allied shipping, prompting the U.S. to join the war.

Airplanes - Used for reconnaissance and later as bombers and fighters.

Key Alliances

Allied Powers - Britain, France, Russia, later joined by the U.S., Italy, and others.

Central Powers - Germany, Austria-Hungary, Ottoman Empire, and Bulgaria.

Treaties and Agreements

Treaty of Brest-Litovsk (1918) - Peace treaty between Germany and Russia after the Bolshevik Revolution; allowed Germany to focus on the Western Front.

Treaty of Versailles (1919) - Ended the war; imposed harsh reparations on Germany, redrew European borders, and created the League of Nations.

Fourteen Points - Woodrow Wilson’s plan for post-war peace, including self-determination and the establishment of the League of Nations.

Impact of World War I

Casualties - Over 16 million deaths, including civilians and soldiers.

Economic Devastation - Massive debt and destruction in Europe; the U.S. emerged as a leading economic power.

Fall of Empires - Collapse of the Austro-Hungarian, Ottoman, German, and Russian Empires.

Rise of Communism - Russian Revolution led to the establishment of the Soviet Union.

Seeds of WWII - Harsh terms of the Treaty of Versailles created resentment in Germany.

Key Terms

Total War - Nations dedicated all resources to the war effort, involving civilians in production and rationing.

No-Man’s Land - Area between opposing trenches, often deadly to cross.

Unrestricted Submarine Warfare - German policy of attacking any ship, including civilian vessels, around Britain.

Zimmermann Telegram - Secret German proposal to Mexico, promising U.S. territory in exchange for joining the war.

Armistice (November 11, 1918) - Ceasefire agreement that ended the fighting.