The first General Assembly of the United Nations, comprising
51 nations, convened at Westminster Central Hall in London,
England. This historic gathering marked the UN’s formal
beginning after World War II,

One week later, the U.N. Security Council met for the first time
and established its rules of procedure. Then, on January 24,
the General Assembly adopted its first resolution, a measure
calling for the peaceful uses of atomic energy, the elimination
of atomic and other weapons of mass destruction.