There hasn't been a World War 3 yet.
1918.
The International Day Of Peace (World Peace Day) is celebrated on the 21st Of September every year. It is used to promote the absence of war and violence.
1917
1944
no the world is at war
the official terms of peace during world war 1 was the signing of the peace treaty of versallies.
Cold War
world war 3 peace \/
Peace was officially declared in World War I with the signing of the Armistice on November 11, 1918, which marked the cessation of hostilities. The formal end of the war was established with the signing of the Treaty of Versailles on June 28, 1919. This treaty laid the groundwork for post-war peace and the reorganization of national boundaries in Europe.
the peace process brought peace
In the book A Seperate Peace when did World War 2 begin
There was no Paris Peace Settlement at the end of World War 2. There was the Treaty of Versailles at the end of World War 2. At the end of the Vietnam War for the US and France there was a peace settlement in France but that was called "The Paris Peace Talks".