It was a Monday.
The Armisitice was signed at 5:00am on Monday 11th November 1918, and came into effect at 11:00am.
November 11th 1918 was a Monday.
November 11, 1970 was a Wednesday.
November 11 1950 was a Saturday.
November 11 1946 was a Monday.
November 11 2010 was a Thursday.
November 11, 1974 was a Monday.
November 11 1977 was a Friday.
November 11 1962 was on a Sunday.
Monday, November 11, 1963.
November 11, 2011, is a Friday.
Because on November 11 1918 is when the first world war finished