Which organization was created by the UK, Australia, New Zealand in 1931?

Which organization was created by the UK, Australia, New Zealand in 1931?

کس تنظیم کو برطانیہ، آسٹریلیا، نیوزی لینڈ نے بنایا؟
Explanation

Commonwealth, also called the Commonwealth of Nations

The Commonwealth of Nations, total 56 member states, the vast majority of which are former territories of the British Empire.

Founded: December 11, 1931

Headquarters: London, United Kingdom

Founders: British Empire, UK Parliament