Coins minted in the Year 1918

What happended in 1918?
The Monarch is King George V. Prime Minister is David Lloyd George (Coalition). US President is Woodrow Wilson (D-New Jersey). On 11 November World War I finally ends with Germany signing an armistice agreement with the Allies. Representation of the People Act gives women the vote provided they are over 30. The Royal Flying Corps and the Royal Naval Air Service are merged to form the Royal Air Force. The GPO (General Post Office) raises ordinary letter rate to 1½d, ending the Uniform Penny Post which had existed since 1840.