Causes of World War I

Causes of World War I

• Nationalism: Many countries had a strong sense of nationalism, leading to tensions between nations.
• Imperialism: European powers were competing for colonies and resources, leading to rivalries.
• Militarism: Countries were building up their military strength, creating an atmosphere of mistrust.
• Alliances: Complex system of alliances between countries, making it difficult to remain neutral.

Assassination of Archduke Franz Ferdinand (1914)

• Trigger event: Assassination of Archduke Franz Ferdinand of Austria-Hungary by Gavrilo Princip, a Serbian nationalist.
• Austria-Hungary declares war on Serbia: In response to the assassination, Austria-Hungary issued an ultimatum to Serbia, which Serbia refused to comply with.

War Declared (1914)

• Austria-Hungary declares war on Serbia: Led to a chain reaction of countries declaring war on each other.
• Russia mobilizes: In response to Austria-Hungary's declaration of war, Russia mobilized its military in support of Serbia.
• Germany declares war on Russia and France: Germany declared war on Russia and France, leading to the involvement of more countries.

Major Events of World War I

• Trench Warfare: Stalemate on the Western Front, with both sides dug into trenches.
• Battle of the Somme: One of the bloodiest battles of the war, with over 1 million casualties.
• United States Enters the War: In 1917, the United States declared war on Germany, following Germany's resumption of unrestricted submarine warfare.
• Russian Revolution: In 1917, Russia withdrew from the war following the October Revolution.

Treaty of Versailles (1919)

• Peace settlement: Imposed harsh penalties on Germany, including significant territorial losses and heavy reparations.
• League of Nations: Established as an international organization dedicated to promoting peace and preventing future wars.

Consequences of World War I

• Massive Loss of Life: Estimated 37 million casualties, including both military and civilian losses.
• Rise of New World Powers: The war marked a shift in power from Europe to the United States and the Soviet Union.
• Rise of Nationalist Movements: The war led to the rise of nationalist movements around the world, contributing to the outbreak of World War II.

Causes of World War I

• Nationalism was a significant factor, as many countries had a strong sense of nationalism, leading to tensions between nations.
• Imperialism was another contributing factor, as European powers were competing for colonies and resources, leading to rivalries.
• Militarism was also a major cause, as countries were building up their military strength, creating an atmosphere of mistrust.
• The complex system of alliances between countries made it difficult to remain neutral.

Assassination of Archduke Franz Ferdinand (1914)

• The assassination of Archduke Franz Ferdinand of Austria-Hungary by Gavrilo Princip, a Serbian nationalist, was the trigger event that led to the outbreak of World War I.
• Austria-Hungary declared war on Serbia in response to the assassination, after Serbia refused to comply with an ultimatum.

War Declared (1914)

• Austria-Hungary's declaration of war on Serbia led to a chain reaction of countries declaring war on each other.
• Russia mobilized its military in response to Austria-Hungary's declaration of war, in support of Serbia.
• Germany declared war on Russia and France, leading to the involvement of more countries.

Major Events of World War I

• The war saw the stalemate of trench warfare on the Western Front, with both sides dug into trenches.
• The Battle of the Somme was one of the bloodiest battles of the war, with over 1 million casualties.
• The United States entered the war in 1917, following Germany's resumption of unrestricted submarine warfare.
• The Russian Revolution led to Russia's withdrawal from the war in 1917.

Treaty of Versailles (1919)

• The Treaty of Versailles imposed harsh penalties on Germany, including significant territorial losses and heavy reparations.
• The League of Nations was established as an international organization dedicated to promoting peace and preventing future wars.

Consequences of World War I

• The war resulted in an estimated 37 million casualties, including both military and civilian losses.
• The war marked a shift in power from Europe to the United States and the Soviet Union.
• The war led to the rise of nationalist movements around the world, contributing to the outbreak of World War II.