It's true.
The country whose capital city was formerly known as Philadelphia is the United States of America. Philadelphia served as the temporary capital of the United States from 1790 to 1800 before the capital was moved to Washington, D.C.
The people of Philadelphia are known as Philadelphians.
Indonesia is known as the country of islands, also known as the "Emerald of the Equator," because it is made up of thousands of islands spread across the archipelago.
That is known as the "atmosphere".
England was known as the Black Country because of the Black Plague which ravaged the area during the 1600s
they were well known because they were famous kings and were well known to their country, Egypt.
Alma de Cuba a restaurant that is located in the country known as The United States of America. Specifically, the restaurant is located in the city of Philadelphia in the state of Pennsylvania.
Mars already has an atmosphere. It is not known how long creating an Earthlike atmosphere because we do not have the ability to terraform planets and we do not know all of the challenges it might hold.
No country is known as the 'India of Europe'. I suppose you could consider the United Kingdom the India of Europe, because it has the largest Indian population and was also the country to colonize India.
The coordinates you provided (22°N, 78°W) point to Cuba, a Caribbean country known for its rich culture, beautiful beaches, and vibrant atmosphere.
moderate cool country in Europe and EU
They stayed in Philadelphia but where exactly in Philadelphia is not known