'World Environment day' is observed on 5^th June.

The headquarters of IMF are in Washington D.C.

Commonwealth Day is the annual celebration of the Commonwealth of Nations.

21^st March is a special day, proclaimed by the General Assembly in October 1966, as International Day for the Elimination of Racial Discrimination. 

The law relating to prisoners of war has been codified by Geneva Conventions. Chapter II of the Annex to the 1907 Hague Convention IV – The Laws and Customs of War on Land covered the treatment of prisoners of war in detail. These provisions were further expanded in the 1929 Geneva Convention on the Prisoners of War and were largely revised in the Third Geneva Convention in 1949. 

The Headquarter of UN is at first Avenue, UN Plaza, New York, USA.

It is said in the context that veto power to permanent members of the security council.

The Universal declaration of human rights was adopted by the UN in 1948.

 High sea is a sea beyond 200 km of a coast of any country.

The Hague conversions of 1899, 1904 & 1907 delineated rules of public international law.

The Covenant on Political and Civil Rights came into force on 23rd March, 1976.

It is said about United Nations organization that it has a heart of gold, but limbs of clay.

International Court of justice is situated at Hague.

The Headquarters of IAEA are at Vienna.

International Court of justice was set up on April 18, 1946.