| Winston Churchill | The prime minister of Britain during WWI |
| Gavrilo Princip | The 19 year old male who shot Franz Ferdinand. |
| Alfred vonSchlieffen | The general of the German forces who came up with the plan to crush France in the west, and then deal with Russia in the east. |
| Triple Alliance | The Alliance between Brtain, France, and Russia. |
| Trench Warfare | The type of warfare where troops are lined up for miles in trenches. |
| Treaty of Versailles | The treaty that ended WWI that included the "war guilt" clause. |
| Franz Ferdinand | The Arch-Duke who was heir to the throne of Austria-Hungary who was shot in 1914. |
| Nicholas II | The Tsar of Russia during WWI who wasn't a very good leader. |
| Georges Clemenceau | The leader of France during WWI who wanted to punish Germany for what they did in WWI. |
| Triple Entente | The alliance between Germany, Italy, and Austria-Hungary. |
| Armistice | The term that's used to describe the day that WWI ended. |
| Leage of Nations | The organization that was set up at the end of WWI that was created to be an international association whose goal would be to keep peace amoung nations. |
| Wilhelm II | The leader of Germany during WWI who was stubborn and was eager to show the rest of the world how powerful Germany had become. |
| Otto vonBismark | The leader of Germany just before WWI who set up a bunch of treaties that were designed to keep Germany safe in any situation. |
| Woodrow Wilson | The President of the United States during WWI. |
| Militarism | The policy of glorifying military power and keeping an army prepared for war. |
| Fourteen Points | The policy that Woodrow Wilson pushed at the end of WWI that was designed to keep the peace in Europe. |