Procrastinators worldwide tend to do things in the 11th hour. Doing something in the 11th hour means that the thing is done at the last possible moment.
WWI ended by Armistice on the 11th hour of the 11th day of the 11th month 1918.
If you mean the first one, it was at the 11th hour on the 11th day of the 11th month, in 1918.
He made it at the last minute
the "eleventh hour" is the latest possible time at which something may be done. For Example: "the water bombers arrived at the eleventh hour, just in time to keep the forest fire from spreading to the town."
I'm going to assume that you mean the 11th hour of the 11th day of the 11th month in 1918. This time marks the end of World War I because the allies signed an armistice with Germany. November 11th is now known as Veteran's Day to remember all of the fallen armed forces in World War I. President Woodrow Wilson declared this day a holiday in 1919.
No scene means something that is done in secret or out of public view. It can also be used to mean something that is done backstage.
It means they have done something that has upset and offended you.
The reason for which something is done or created or for which something exists.
Express regret for something that one has done wrong.
The eleventh hour is an idiom used to depict the latest possible moment to do something.
Something that was done some time ago .
He = I have, as in I have done something (Not possessive, but auxiliary.)