A guy declared it.
my ballsack
on the battlefield of World War 1
November 11th 1918 at 11:00pm
An armistice which ended WWI.
Nobody. 11 am on the 11th of November 1918 WAS the day/time on which the armistice ending WW1 was signed. It is the anniversary of this event that is remembered.
Heavy fighting ceased on July 27th, 1953 and was followed by armistice. So the Korean war has not ended, and in its place is an armistice.
Simple Answer: Armistice Day is the day German and the other Central Powers signed an agreement (an Armistice) to end World War I.
Franklin Roosevelt made Armistice Day a national holiday in 1938.
At the 11th hour, on the 11th day of the 11th month, 1918, the Armistice was declared. The Armistice brought an to the fighting of the First World War.
President Wilson http://www1.va.gov/opa/vetsday/vetdayhistory.asp
Armistice Day. On November 11, 1918, an armistice or temporary cessation of hostilities ended World War I. The following year, Armistice Day was recognized. In 1938, Armistice Day was declared a legal holiday in America. Following WW II, the name was changed to Veterans Day.