Because it is a monument to George Washington.
There is no 'world' monument
Washington monument
Ce monument in French is "this monument" in English.
There are many monuments in Glasgow. Amongst them is the Scott Monument, the Arthur Wellesley monument, the Donald Dewar Monument and many others.
The address of the Monument Historical Society is: Po Box 693, Monument, CO 80132
'National monument' 'National' is an adjective describing monument' 'Monumnet' is a Noun .
Yes - it is an obelisk
Un monument (masc.)
In the "Simpson's" there is a monument.
You've got it: monument.
The Washington monument has no function. It is a monument to the first president of the United States.