Here's a couple: Once or once upon; erst or erstwhile.
The present name of the country formerly called Dahomey is Benin.
The peoples formerly referred to as Bella Coola Indians now use the name Nuxalk to describe themselves.
An auripigment is another name for arsenic trisulphide, which occurs naturally in crystals or deposits, and was formerly used as a dye or pigment.
The Yellow River is also known in English as the Huang He, a literal transliteration from its Chinese name, formerly Hwang Ho.
Palestine. Cana'an
The little blue penguin is also known as just the Little Penguin. Formerly, it was known as the Fairy penguin.
Veteran
Canton.
formosa
The city of Vadodara in Gujarat was formerly known as Baroda.
ceylon
It was formerly Emerson Electric