You could use either, but to be sure it is the day you are referring to and not a year, like 2011, then use 11th.
at 11 am November 11th 1918
1918 at 11 o'clock on the 11th day of the 11th month (November).
it was the signing of the peace treaty to end ww1 in the 11th month on the 11th day and the 11th hour
On the 11th November at 11 AM as that was when it finished.
At 11:00 on the 11th of November 1918
November the 11th.
11 can be associated with November, as it is the 11th month of the year.
Because on the 11th minute of the 11th hour of the 11th day of the 11th month the Armistice to end the War to End All Wars was signed, bringing an end to the hostilities of World War One.Veteran's Day was originally "Armistice Day", to observe the end of WWI by armistice on the 11th hour of the 11th day of the 11th month, 1918.Armistice was declared on November 11 of 1919. It was then called Armistice day. Later on it was declared Veterans Day in order to honor all who have served in the military.
November 11th 2009 can also be written as 11-11-2009 which is written in Roman numerals as XI.XI.MMIX
November 11th 2000 was a Saturday.
On November 11, 1918, the guns of World War I fell silent. The cease-fire was signed at the 11th hour on the 11th day or the 11th month of the year. The term 11th hour signifies being close to the end of something dangerous.
November 11 was chosen as Veterans Day because it was the day the Armistice was signed in 1918 ending World War I. It was originally called Armistice Day and was changed to Veterans Day in 1956.