The Bastille (formally known as the Bastille Saint-Antoine) was a fortress in Paris, France.
russia was formally known as the soviet union
Thailand
Paris of the middle east
Beirut
Crazy Horse Paris.
In most cases, you probably want formerly known as, referring to an old name that is no longer used. For example, "Benin, formerly known as Dahomey, is a country in West Africa."In the alternative, formally known as refers to a fancy name that is usually abbreviated in ordinary use. For example, "The UK, formally known as the United Kingdom of Great Britain and Northern Ireland, is a country in Europe."
Guyana was a country that was more formally known as British Guiana. Its name was changed officially in 1966. The capital of this country is Georgetown.
The island is Sri Lanka, formally known as Ceylon.
France is known for its capital Paris, where stands the Eiffel tower. The berets are a thing of the past now.
Philippines (especially in 1950's).
the Euro. It is the same currency in every country of the Eurozone, with the very same name.