What former U.K. state famously left the Commonwealth in 1949?

Here is the question :

WHAT FORMER U.K. STATE FAMOUSLY LEFT THE COMMONWEALTH IN 1949?

Here is the option for the question :

Ireland
Scotland
Wales
Isle of Man

The Answer:

And, the answer for the the question is :

IRELAND

Explanation:

[STC0019650]. Ireland quit the Commonwealth in 1949 and is no longer a member of the United Kingdom. Northern Ireland, on the other hand, is still a part of the United Kingdom and so a member of the Commonwealth. Ireland has been a source of contention for centuries, having been controlled by Britain from the 13th century until the formation of the Irish Free State in 1922. Northern Ireland withdrew and became a part of the United Kingdom at this time.