Southern Rhodesia was created in 1923.

There used to be a Northern and Southern Rhodesia. After the independence of Zambia (Northern Rhodesia), Southern Rhodesia was referred to as Rhodesia. Today it is Zimbabwe.

Zimbabwe was known as Rhodesia until it gained its independance from the UK in 1980.
Southern Rhodesia
southern Rhodesia, Rhodesia
Rhodesia
Southern Rhodesia, Rhodesia
Northern and Southern Rhodesia
Rhodesia
Formerly Southern Rhodesia.
Rhodesia. It was named after colonialist, diamond miner
Formerly known as Southern Rhodesia, the Republic of Rhodesia, Zimbabwe Rhodesia, or just Rhodesia.
Rhodesia. It was named after colonialist, diamond monger and all round british hero cecil rhodes.

Lewis Henry Gann has written:

'A History of Southern Rhodesia' -- subject(s): History, Rhodesia, Southern, Southern Rhodesia

It was first Southern Rhodesia, then Rhodesia.