The Treaty of Trianon was signed between Hungary and most of the Allies of the First World War.
3rd April 1860: The first Pony Express service went into operation
3rd April 2019
The Paris Peace Conference convened to establish the terms of the peace after the First World War.
11th November 1918: WW1 Armistice of Compiègne is signed
11th November 2018
9th November 1989: East Germany opens the Berlin Wall
9th November 2017