World War I

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Across
  1. 3. This country was originally part of the Triple Alliance but entered WWI on the other side.
  2. 5. The Serbian nationalist group that organised the killing of Franz Ferdinand.
  3. 7. A group of territories ruled by a single ruler or government
  4. 8. Franz Ferdinand was the ___________ prince of Austria-Hungary.
  5. 9. Germany invaded this country on its way to France.
  6. 11. Group of people sharing common identity and history
Down
  1. 1. The triple ___________ consisted of Britain, France and Russia.
  2. 2. A poison gas used in WWI.
  3. 4. Competition between countries to build up their military forces
  4. 6. Wilhelm II was the _________ of Germany in 1914.
  5. 10. An early type of machine gun.
  6. 12. Targeted killing of a specific important person