When was the UN Educational, Scientific and Cultural Organisation (UNESCO) constitution signed in London ;

When was the UN Educational, Scientific and Cultural Organisation (UNE

1.	When was the UN Educational, Scientific and Cultural Organisation (UNESCO) constitution signed in London ;
A.	4th November, 1948
B.	16th November, 1949
C.	16th November, 1945
D.	16th November, 1942
Answer» D. 16th November, 1942