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      Lesson details

      Learning outcome

      I can explain how the assassination of Franz Ferdinand caused European powers to declare war on each other as a result of the alliance system.

      Key learning points

      1. Tensions rose in the Balkans due to the rise of nationalist movements and opposition to Austrian influence.
      2. The trigger for war was the assassination of the Austrian Archduke Franz Ferdinand in Serbia.
      3. German-supported Austria declared war on Serbia, supported by Russia.
      4. The system of alliances caused Germany and Russia to declare war, dragging other powers into the conflict.
      5. The failure of Germany's Schlieffen Plan, which assumed British neutrality, contributed to the outbreak of a global war.

      Keywords

      • Nationalism - nationalism is the support for the political independence of a country

      • Assassinate - to assassinate someone is to murder an important person for a political or religious reason

      • Ultimatum - an ultimatum is a final demand which, if denied, will result in some form of retaliation

      • Mobilise - to mobilise is to prepare an army for war

      Common misconception

      That the assassination of Ferdinand led to the inevitable, immediate outbreak of a global war

      The outbreak of the war was the result of a series of context-dependent events, including the Austrian ultimatum and the Schlieffen Plan

      Teacher tip

      On slide 17, emphasise that without British involvement the war would likely have been much smaller in scale - perhaps not remembered as a 'World War'

      Content guidance

      Depiction or discussion of serious crime

      Depiction or discussion of violence or suffering

      Depiction or discussion of violence or suffering

      Supervision

      Adult supervision required

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Which of the following countries was formed in 1871?

      Austria
      Britain
      Correct answer: Germany
      Russia

      Q2.
      Match each key word to the correct definition.

      Correct Answer:alliance, relationship between two (or more) countries
      Correct Answer:nationalism,the support for the political independence of a country
      Correct Answer:assassination,to murder an important person for a political reason
      Correct Answer:ultimatum,a final demand which could result in retaliation

      Q3.
      Which three of the following nations were part of the Triple Alliance?

      Correct answer: Austria-Hungary
      Britain
      France
      Correct answer: Germany
      Correct answer: Italy

      Q4.
      Which three of the following nations were part of the Triple Entente?

      Austria-Hungary
      Correct answer: Britain
      Correct answer: France
      Germany
      Correct answer: Russia

      Q5.
      Which one of the following statements best explains how large wars break out?

      One country declares war on several countries.
      Correct answer: War breaks out between two countries, and other countries defend their allies.
      Several countries agree to declare war on another large group of countries.

      Q6.
      Which three of the following were a cause of tension across Europe from 1871-1914?

      Correct answer: formation of the Triple Alliance
      Prussia was a large German state
      Correct answer: formation of the Triple Entente
      Correct answer: Germany expanded their military
      German states were mostly agricultural in 1870

      6 Questions

      Q1.
      When were the Balkan wars?

      1871-1905
      Correct answer: 1912-1913
      1915
      1914-1918

      Q2.
      Match each key word to the correct definition

      Correct Answer:ultimatum,a final demand which could result in retaliation
      Correct Answer:mobilise,to prepare an army for war
      Correct Answer:nationalism,the support for the political independence of a country

      Q3.
      Who was assassinated on 28th June 1914?

      Gavrilo Princip
      Correct answer: Archduke Franz Ferdinand
      Kaiser Wilhelm II

      Q4.
      Starting with the earliest, sort the following events into the order in which they happened.

      1 - The Balkan Wars end, Serbia emerges as independent nation
      2 - Archduke Franz Ferdinand and his wife Sophie are assassinated
      3 - Serbia rejects Austria-Hungary's ultimatum, and war is declared on Serbia
      4 - Russia declares war on Austria-Hungary
      5 - Germany declares war on Russia
      6 - France declares war on Germany
      7 - Germany prepares to launch the Schlieffen Plan

      Q5.
      Complete this sentence by typing in the missing word. Austria-Hungary blamed the nation of __________ for the assassination of Archduke Franz Ferdinand.

      Correct Answer: Serbia, serbia, serbs, Serbs

      Q6.
      Which three of the following are reasons why the Schlieffen Plan failed?

      Correct answer: Russia mobilised quicker than expected
      Correct answer: Britain joined the war to defend Belgium
      Austria-Hungary issued Serbia an ultimatum
      Correct answer: Germany marched through Belgium, a neutral country
      Germany declared war on Russia

      To help you plan your 9 history lesson on: The outbreak of war in 1914, download all teaching resources for free and adapt to suit your pupils' needs...